Audit Information |
12 Months Ended |
|---|---|
Dec. 31, 2023 | |
| Auditor Information [Abstract] | |
| Auditor Name | PricewaterhouseCoopers LLP |
| Auditor Location | San Jose, California |
| Auditor Firm ID | 238 |
CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Stockholders’ equity: | ||
| Convertible preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Convertible preferred stock, authorized shares | 5,000,000 | 5,000,000 |
| Convertible preferred stock, issued shares | 0 | 0 |
| Convertible preferred stock, outstanding shares | 0 | 0 |
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Common stock, authorized shares | 500,000,000 | 500,000,000 |
| Common stock, issued shares | 107,853,778 | 107,610,356 |
| Common stock, outstanding shares | 107,853,778 | 107,610,356 |
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Statement of Comprehensive Income [Abstract] | |||
| Net income (loss) | $ 333,904 | $ (14,310) | $ 18,334 |
| Other comprehensive income (loss): | |||
| Foreign currency translation adjustment | 282 | (958) | (366) |
| Unrealized gain (loss) on marketable securities, net of tax | 3,412 | (2,553) | (1,005) |
| Total comprehensive income (loss) | $ 337,598 | $ (17,821) | $ 16,963 |
CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|---|
| Cash, cash equivalents and restricted cash | |||
| Cash and cash equivalents | $ 94,767 | $ 125,334 | $ 107,891 |
| Restricted cash | 0 | 360 | 373 |
| Cash, cash equivalents, restricted cash | $ 94,767 | $ 125,694 | $ 108,264 |
Formation and Business of the Company |
12 Months Ended |
|---|---|
Dec. 31, 2023 | |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| Formation and Business of the Company | Formation and Business of the Company Rambus Inc. (“Rambus” or the “Company”) was incorporated in California in March 1990 and reincorporated in Delaware in March 1997. The Company offers a balanced and diverse portfolio of products and solutions across chips, silicon intellectual products (“IP”) and patent licensing with the goal of perpetuating strong company operating performance and delivering long-term stockholder value. The Company generates revenue by selling its semiconductor chip and licensing its IP products and inventions to market-leading companies. As an industry pioneer with over 30 years of advanced semiconductor design experience, Rambus is dedicated to addressing the challenges of accelerating and protecting data in hardware for the data center and other growing markets. With the exponential increase in the complexity, size and number of advanced workloads, like generative artificial intelligence (“AI”), the demands on computing infrastructure continue to grow. Rambus is a leader in high-performance memory subsystems, providing chips, silicon IP and innovations that maximize the performance and security in computationally-intensive systems.
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Summary of Significant Accounting Policies |
12 Months Ended |
|---|---|
Dec. 31, 2023 | |
| Accounting Policies [Abstract] | |
| Summary of Significant Accounting Policies | Summary of Significant Accounting Policies Financial Statement Presentation The accompanying consolidated financial statements include the accounts of Rambus and its wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated on the accompanying consolidated financial statements. Investments in entities with more than 20% ownership by Rambus and in which Rambus has the ability to significantly influence the operations of the investee (but not control) are accounted for using the equity method and are included in other assets. Use of Estimates The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. Revenue Recognition The Company recognizes revenue upon transfer of control of promised goods and services in an amount that reflects the consideration it expects to receive in exchange for those goods and services. Goods and services that are distinct are accounted for as separate performance obligations. Where an arrangement includes multiple performance obligations, the transaction price is allocated to these on a relative standalone selling price basis. The Company has established standalone selling prices for the majority of its distinct offerings - specifically, the same pricing methodology is consistently applied to all licensing arrangements; all services offerings are priced within tightly controlled bands and all contracts that include support and maintenance state a renewal rate or price that is systematically enforced. For certain contracts, the Company utilizes the residual approach to estimate standalone selling prices primarily for service offerings sold to customers at highly variable pricing. The Company’s revenue consists of product, royalty and contract and other revenue. Products primarily consist of memory interface chips sold directly and indirectly to module manufacturers and OEMs worldwide through multiple channels, including its direct sales force and distributors. Royalty revenue consists of patent and technology license royalties. Contract and other revenue consists of software license fees, engineering fees associated with integration of the Company’s technology solutions into its customers’ products and support and maintenance fees. Product Revenue Product revenue is recognized upon shipment of product to customers, net of accruals for estimated sales returns and allowances, and to distributors, net of accruals for price protection and rights of return on products unsold by the distributors. The Company transacts with direct customers primarily pursuant to standard purchase orders for delivery of products and generally allows customers to cancel or change purchase orders within limited notice periods prior to the scheduled shipment date. Royalty Revenue Rambus’ patent and technology licensing arrangements generally range between one year and ten years in duration and generally grant the licensee the right to use applicable portions of the Company’s entire IP portfolio as it evolves over time. These arrangements do not typically grant the licensee the right to terminate for convenience and where such rights exist, termination is prospective, with no refund of fees already paid or cancellation of fees already incurred by the licensee. Patent and technology licensing arrangements result in fixed payments received over time, with guaranteed minimum payments on occasion, variable payments calculated based on the licensee’s sale or use of the IP, or a mix of fixed and variable payments. •For fixed-fee arrangements (including arrangements that include minimum guaranteed amounts), the Company recognizes revenue upon control over the underlying IP use right transferring to the licensee, net of the effect of significant financing components calculated using customer-specific, risk-adjusted lending rates typically ranging between 5% and 10%, with the related interest income recognized over time on an effective rate basis. Where a licensee has the contractual right to terminate a fixed-fee arrangement for convenience without any substantive penalty payable upon such termination, the Company recognizes revenue for the duration of the contract in which the parties have present enforceable rights and obligations. •For variable arrangements, the Company recognizes revenue based on an estimate of the licensee’s sale or usage of the IP during the period the licensee’s sale or usage occur, typically quarterly, with a true-up recorded, if required, when the Company receives the actual royalty report from the licensee. •The Company recognizes license renewal revenue commencing with the start of the renewal period. Contract and Other Revenue Contract and other revenue consists of software license fees and engineering fees associated with integration of the Company’s technology solutions into its customers’ products, and support and maintenance. An initial software arrangement may consist of a term-based or perpetual license, significant software customization services and support and maintenance services that include post-implementation customer support and the right to unspecified software updates and enhancements on a when and if available basis. The Company recognizes license and customization services revenue at a point in time when final delivery is made or based on an over time model, depending on the nature and amount of customization. For the over time model, the Company recognizes revenue over time by measuring the progress toward complete satisfaction of that performance obligation. The Company measures progress using an input method. License and customization services revenue recognized over time, which is reported as part of contract and other revenue, was approximately $6.1 million for the year ended December 31, 2023. Due to the nature of the work performed in these arrangements, the estimation of the over time model may involve judgment. The key factor reviewed by management to estimate costs to complete each contract is the estimated man-months necessary to complete the project. The Company recognizes support and maintenance revenue over time. Significant Judgments The only significant judgment required in determining the amount and timing of revenue from the Company’s contracts with customers is determining the estimated man-months necessary for completing development and customization services. The Company has adequate tools and controls in place, and substantial experience and expertise in timely and accurately tracking man-months incurred in completing customization and other professional services, and quantifying significant changes in estimates. Key estimates used in recognizing revenue predominantly consist of the following: •For contract revenue where the Company recognizes revenue over time, the key factor reviewed by management to estimate costs to complete each contract is the estimated man-months necessary to complete the project. •For fixed-fee arrangements in which cash is being received over a period exceeding one year, the Company calculates a customer-specific lending rate using a Daily Treasury Yield Curve Rate that changes depending on the date on which the licensing arrangement was entered into and the term (in years) of the arrangement, and takes into consideration a licensee-specific risk profile determined based on a review of the licensee’s “Full Company View” Dun & Bradstreet report obtained on the date the licensing arrangement was signed by the parties, with a risk premium being added to the Daily Treasury Yield Curve Rate considering the overall business risk, financing strength and risk indicators, as listed. •The Company recognizes revenue on variable fee licensing arrangements on the basis of sales and usage which the Company is required to estimate prior to receiving the final related reports from its customers. Contract Balances Timing of revenue recognition may differ from the timing of invoicing to the Company’s customers. The Company records contract assets when revenue is recognized prior to invoicing, and a contract liability when revenue is recognized subsequent to invoicing. The contract assets are transferred to receivables when the billing occurs. Cost of Revenue Cost of revenue includes cost of professional services, materials, including cost of wafers processed by third-party foundries, cost associated with packaging and assembly, test and shipping, cost of personnel, including stock-based compensation, and equipment associated with manufacturing support, logistics and quality assurance, warranty cost, amortization of existing technology, write-down of inventories, amortization of production mask costs, overhead and an allocated portion of occupancy costs. Leases The Company leases office space, domestically and internationally, under operating leases. The Company’s leases have remaining lease terms generally between one year and seven years. Operating leases are included in operating lease right-of-use (“ROU”) assets, operating lease liabilities and long-term operating lease liabilities in the Company’s Consolidated Balance Sheets. The Company does not have any finance leases. The Company determines if an arrangement is a lease, or contains a lease, at inception. The Company assesses all relevant facts and circumstances in making the determination of the existence of a lease. For leases with terms greater than 12 months, the Company records the related asset and obligation at the present value of lease payments over the term. The Company uses its incremental borrowing rate based on the information available at the commencement date in determining the present value of lease payments, and uses the implicit rate when readily determinable. Many of the Company’s leases include rental escalation clauses, renewal options and/or termination options that are factored into the determination of lease payments when appropriate. Leases with an initial term of 12 months or less are not recorded on the balance sheet, and the Company does not separate non-lease components from lease components. Operating lease costs are included in research and development and selling, general and administrative costs in the Company’s Consolidated Statements of Operations. Goodwill Goodwill represents the excess of the purchase price over the fair value of the net tangible and identifiable intangible assets acquired in each business combination. Goodwill is not subject to amortization, but is subject to at least an annual assessment for impairment. The Company performs its impairment analysis of goodwill on an annual basis during the fourth quarter of the year unless conditions arise that warrant a more frequent evaluation. When goodwill is assessed for impairment, the Company has the option to perform an assessment of qualitative factors of impairment (optional assessment) prior to necessitating a quantitative impairment test. Should the optional assessment be used for any given year, qualitative factors to consider for a reporting unit include: cost factors; financial performance; legal, regulatory, contractual, political, business, or other factors; entity specific factors; industry and market considerations; macroeconomic conditions; and other relevant events and factors affecting the reporting unit. If the Company determines in the qualitative assessment that it is more likely than not that the fair value of the reporting unit is less than its carrying value, a quantitative test is then performed. Otherwise, no further testing is required. For a reporting unit tested using a quantitative approach, the Company compares the fair value of the reporting unit with the carrying amount of the reporting unit, including goodwill. The fair value of the reporting unit is estimated using an income approach. Under the income approach, the Company measures fair value of the reporting unit based on a projected cash flow method using a discount rate determined by its management which is commensurate with the risk inherent in its current business model. The Company’s discounted cash flow projections are based on annual financial forecasts developed internally by management for use in managing its business. If the fair value of the reporting unit exceeds its carrying value, goodwill is not impaired and no further testing is required. If the fair value of the reporting unit is less than the carrying value, then the amount of goodwill impairment will be the amount by which the reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. The Company performed its annual goodwill impairment analysis as of December 31, 2023 and determined that there was no impairment of its goodwill. For the years ended December 31, 2022 and 2021, the Company did not recognize any goodwill impairment charges. Intangible Assets Intangible assets are comprised of existing technology, customer contracts and contractual relationships, and other definite-lived and indefinite-lived intangible assets. Identifiable intangible assets resulting from the acquisitions of entities accounted for using the purchase method of accounting are estimated by management based on the fair value of assets received. Identifiable definite-lived intangible assets are being amortized over the period of estimated benefit using the straight-line method and estimated useful lives ranging from six months to years. Acquired indefinite-lived intangible assets related to the Company’s in-process research and development (“IPR&D”) are capitalized and subject to impairment testing until completion or abandonment of the projects. Upon successful completion of each project, the Company makes a separate determination of the useful life of the acquired indefinite-lived intangible assets and the related amortization is recorded as an expense over the estimated useful life of the specific projects. Indefinite-lived intangible assets are subject to at least an annual assessment for impairment, applying a fair-value based test. The Company first performs a qualitative assessment to determine whether it is more likely than not (more than 50 percent likelihood) that the indefinite-lived intangible assets are impaired. If after assessing the totality of events and circumstances and their potential effect on significant inputs to the fair value determination, the Company determines that it is more likely than not that the indefinite-lived intangible assets are impaired, then the Company performs a quantitative impairment test by comparing the fair value of the intangible assets with its carrying amount. The Company measures fair value of the indefinite-lived intangible assets under the income approach based on a projected cash flow method using a discount rate determined by its management which is commensurate with the risk inherent in its current business model. The Company’s discounted cash flow projections are based on its annual financial forecasts developed internally by management for use in managing its business. If the fair value of the indefinite-lived intangible assets exceeds its carrying value, the indefinite-lived intangible assets are not impaired and no further testing is required. If the implied fair value of the indefinite-lived intangible assets is less than the carrying value, the difference is recorded as an impairment loss. Inventories Inventories are stated at the lower of cost or net realizable value. Cost is computed using standard cost, which approximates actual cost, on a first-in, first-out basis. Inventories are reduced for write-downs based on periodic reviews for evidence of slow-moving or obsolete parts. The write-down is based on comparison between inventory on hand and estimated future sales for each specific product. Once written down, inventory write-downs are not reversed until the inventory is sold or scrapped. Inventory write-downs are also established when conditions indicate that the net realizable value is less than cost due to physical deterioration, obsolescence, changes in price level or other causes. Property, Plant and Equipment Property, plant and equipment include computer software, computer equipment, leasehold improvements, machinery, and furniture and fixtures. Computer software, computer equipment, machinery, and furniture and fixtures are stated at cost and generally depreciated on a straight-line basis over an estimated useful life of three years, three years, seven years and three years, respectively. Refer to Note 11, “Balance Sheet Details,” for additional information. Leasehold improvements are amortized on a straight-line basis over the shorter of their estimated useful lives or the remaining terms of the leases. Upon disposal, assets and related accumulated depreciation are removed from the accounts and the related gain or loss is included in the results from operations. Definite-Lived Asset Impairment The Company evaluates definite-lived assets (including property, plant and equipment and intangible assets) for impairment whenever events or changes in circumstances indicate the carrying value of an asset group may not be recoverable. The carrying value is not recoverable if it exceeds the undiscounted cash flows resulting from the use of the asset group and its eventual disposition. The Company’s estimates of future cash flows attributable to its asset groups require significant judgment based on its historical and anticipated results and are subject to many factors. Factors that the Company considers important which could trigger an impairment review include significant negative industry or economic trends, significant loss of clients and significant changes in the manner of its use of the acquired assets or the strategy for its overall business. When the Company determines that the carrying value of the asset groups may not be recoverable based upon the existence of one or more of the above indicators of impairment, the Company measures the potential impairment based on a projected discounted cash flow method using a discount rate determined by the Company to be commensurate with the risk inherent in the Company’s current business model. An impairment loss is recognized only if the carrying amount of the asset group is not recoverable and exceeds its fair value. The impairment charge is recorded to reduce the pre-impairment carrying amount of the assets based on the relative carrying amount of those assets, though not to reduce the carrying amount of an asset below its fair value. Different assumptions and judgments could materially affect the calculation of the fair value of the assets. During 2023, 2022 and 2021, the Company did not recognize any impairment of its definite-lived and indefinite-lived assets. Income Taxes Income taxes are accounted for using an asset and liability approach, which requires the recognition of deferred tax assets and liabilities for expected future tax events that have been recognized differently in the Company’s consolidated financial statements and tax returns. The measurement of current and deferred tax assets and liabilities is based on provisions of the enacted tax law and the effects of future changes in tax laws or rates are not anticipated. A valuation allowance is established when necessary to reduce deferred tax assets to amounts expected to be realized based on available evidence. In addition, the calculation of the Company’s tax liabilities involves dealing with uncertainties in the application of complex tax regulations. As a result, the Company reports a liability for unrecognized tax benefits resulting from uncertain tax positions taken or expected to be taken in its tax return. The Company considers many factors when evaluating and estimating its tax positions and tax benefits, which may require periodic adjustments and which may not accurately anticipate actual outcomes. Stock-Based Compensation and Equity Incentive Plans The Company maintained stock plans covering a broad range of equity grants including stock options, nonvested equity stock and equity stock units and performance-based instruments. In addition, the Company sponsors an Employee Stock Purchase Plan (“ESPP”), whereby eligible employees are entitled to purchase common stock semi-annually, by means of limited payroll deductions, at a 15% discount from the fair market value of the common stock as of specific dates. The Company determines compensation expense associated with restricted stock units based on the fair value of its common stock on the date of grant. The Company determines compensation expense associated with stock options based on the estimated grant-date fair value method using the Black-Scholes Merton (“BSM”) valuation model. The Company generally recognizes compensation expense using a straight-line amortization method over the respective vesting period for awards that are ultimately expected to vest. Stock-based compensation expense for the years ended December 31, 2023, 2022 and 2021 has been reduced for estimated forfeitures. When estimating forfeitures, the Company considers voluntary termination behaviors, as well as trends of actual option forfeitures. Cash and Cash Equivalents Cash equivalents are investments with original maturity of three months or less at the date of purchase. The Company maintains its cash balances with high-quality financial institutions. Cash equivalents are invested in highly rated, liquid money market securities, time deposits and certain U.S. government sponsored obligations. Marketable Securities Rambus invests its excess cash and cash equivalents primarily in U.S. government-sponsored obligations, corporate bonds, commercial paper and notes, time deposits and money market funds that mature within three years. Available-for-sale securities are carried at fair value, based on quoted market prices, with the unrealized gains or losses reported, net of tax, in stockholders’ equity as part of accumulated other comprehensive income (loss). The amortized cost of debt securities is adjusted for amortization of premiums and accretion of discounts to maturity, both of which are included in interest and other income, net. Realized gains and losses are recorded on the specific identification method and are included in interest and other income, net. The Company reviews its investments in marketable securities for possible other than temporary impairments on a regular basis. If any loss on investment is believed to be a credit loss, a charge will be recognized in operations. In evaluating whether a credit loss on a debt security has occurred, the Company considers the following factors: 1) the Company’s intent to sell the security, 2) if the Company intends to hold the security, whether or not it is more likely than not that the Company will be required to sell the security before recovery of the security’s amortized cost basis and 3) even if the Company intends to hold the security, whether or not the Company expects the security to recover the entire amortized cost basis. Due to the high credit quality and short-term nature of the Company’s investments, there have been no material credit losses recorded to date. The classification of funds between short-term and long-term is based on whether the securities are available for use in operations or other purposes. Fair Value of Financial Instruments The fair value measurement statement defines fair value as the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date, and requires disclosure that establishes a framework for measuring fair value and expands disclosure about fair value measurements. The statement requires that fair value measurement be classified and disclosed in one of the following three categories: Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. The Company uses unadjusted quotes to determine fair value. The financial assets in Level 1 include money market funds. Level 2: Quoted prices in markets that are not active, or inputs which are observable, either directly or indirectly, for substantially the full term of the asset or liability. The Company uses observable pricing inputs including benchmark yields, reported trades and broker/dealer quotes. The financial assets in Level 2 include U.S. government bonds and notes, and corporate bonds, commercial paper and notes. Level 3: Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported by little or no market activity). When determining fair value, the Company considers the principal or most advantageous market in which the Company would transact, and the Company considers assumptions that market participants would use when pricing the asset or liability, such as inherent risk, transfer restrictions and risk of non-performance. The Company does not have any financial assets or liabilities in Level 3 as of December 31, 2023 and 2022, except for the Company’s liability for the earn-out consideration related to the PLDA acquisition, which is recorded within other long-term liabilities. The Company has classified this liability within Level 3 of the fair value hierarchy because the fair value is determined using significant unobservable inputs. Refer to Note 9, “Fair Value of Financial Instruments and Note 21, “Acquisitions,” for additional information. The carrying value of cash equivalents, accounts receivable and accounts payable approximate their fair values due to their relatively short maturities as of December 31, 2023 and 2022. The Company’s financial instruments are measured and recorded at fair value, except for equity method investments and convertible notes. Marketable securities are comprised of available-for-sale securities that are reported at fair value with the related unrealized gains and losses included in accumulated other comprehensive income (loss), a component of stockholders’ equity, net of tax. Fair value of the marketable securities is determined based on quoted market prices. The fair value of the Company’s convertible notes fluctuated with interest rates and with the market price of the common stock, but did not affect the carrying value of the debt on the balance sheet. The Company’s non-financial assets, such as goodwill, intangible assets and property, plant and equipment, are measured at fair value when there is an indicator of impairment and recorded at fair value only when an impairment charge is recognized. The Company’s equity method investments were initially recognized at cost, and the carrying amount was increased or decreased to recognize the Company’s share of the profit or loss of the investee after the date of acquisition. The Company’s share of the investee’s profit or loss was recognized in the Company’s Consolidated Statements of Operations. Distributions received from an investee reduced the carrying amount of the investment. Research and Development Costs incurred in research and development, which include engineering expenses, such as salaries and related benefits, stock-based compensation, depreciation, professional services and overhead expenses related to the general development of the Company’s products, are expensed as incurred. Software development costs are capitalized beginning when a product’s technological feasibility has been established and ending when a product is available for general release to customers. The Company has not capitalized any software development costs in the period between establishing technological feasibility and general customer release since the period is relatively short and as such, these costs have not been material. Computation of Earnings (Loss) Per Share Basic earnings (loss) per share is calculated by dividing the net income (loss) by the weighted-average number of common shares outstanding during the period. Diluted earnings (loss) per share is calculated by dividing the earnings (loss) by the weighted-average number of common shares and potentially dilutive securities outstanding during the period. Potentially dilutive common shares consist of incremental common shares issuable upon exercise of stock options, employee stock purchases, and restricted stock and restricted stock units, and shares issuable upon the conversion of convertible notes. The dilutive effect of outstanding shares is reflected in diluted earnings per share by application of the treasury stock method, or the if-converted method for the in-the-money conversion benefit feature of the 2023 Notes. This method includes consideration of the amounts to be paid by the employees, the amount of excess tax benefits that would be recognized in equity if the instrument was exercised and the amount of unrecognized stock-based compensation related to future services. No potential dilutive common shares are included in the computation of any diluted per share amount when a net loss is reported. Comprehensive Income (Loss) Comprehensive income (loss) is defined as the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner sources, including foreign currency translation adjustments and unrealized gains and losses on marketable securities. Other comprehensive income (loss), net of tax, is presented in the Consolidated Statements of Comprehensive Income (Loss). Credit Concentration As of December 31, 2023 and 2022, the Company’s cash, cash equivalents and marketable securities were invested with various financial institutions in the form of corporate bonds, commercial paper and notes, money market funds, U.S. Treasuries and U.S. Government Agencies. The Company’s exposure to market risk for changes in interest rates relates primarily to its investment portfolio. The Company places its investments with high-credit issuers and, by investment policy, attempts to limit the amount of credit exposure to any one issuer. As stated in the Company’s investment policy, it will ensure the safety and preservation of the Company’s invested funds by limiting default risk and market risk. The Company has no investments denominated in foreign country currencies and therefore is not subject to foreign exchange risk from these assets. The Company holds cash, cash equivalents and marketable securities in excess of federally insured limits. The Company mitigates default risk by investing in high credit quality securities and by positioning its portfolio to respond appropriately to a significant reduction in a credit rating of any investment issuer or guarantor. The portfolio includes only marketable securities with active secondary or resale markets to enable portfolio liquidity. The Company’s accounts receivable are derived from revenue earned from customers located in the U.S. and internationally. Refer to Note 7, “Segments and Major Customers,” for additional information. The Company’s unbilled receivables are collected from customers located in the U.S. and internationally. Refer to Note 4, “Revenue Recognition,” for additional information. Derivative Instruments and Hedging Activities The Company has on occasion, entered into foreign currency forward contracts (the “Contracts”) to manage the Company’s exposure related to certain foreign currency denominated monetary assets (the “Hedging Program”) and to minimize the related impact of foreign currency fluctuations on the Company’s earnings. The hedged monetary assets primarily consisted of certain euro-denominated cash and accounts receivable balances. The Contracts mitigate the Company’s foreign currency exposure when the Contracts are settled at their maturity by generally offsetting the gains and losses generated by the re-measurement of the underlying monetary assets. The Contracts are typically entered into at the end of a month, with an approximately one month duration at inception. Due to the short duration of these Contracts, their fair value has been deemed immaterial. As the Contracts were considered derivative instruments that were not designated and did not qualify as hedging instruments, any gains and losses resulting from changes in their fair value were recorded to interest income and other income (expense), net in the Company’s Consolidated Statements of Operations. The Company does not use its Hedging Program for speculative or trading purposes. As of December 31, 2023, no Contracts were outstanding. For the year ended December 31, 2023, any gains and losses resulting from changes in fair value of the Company’s Contracts were deemed immaterial. Foreign Currency Translation and Re-Measurement The Company translates the assets and liabilities of its non-U.S. dollar functional currency subsidiaries into U.S. dollars using exchange rates in effect at the end of each period. Revenue and expenses for these subsidiaries are translated using rates that approximate those in effect during the period. Gains and losses from these translations are recognized in foreign currency translation included in accumulated other comprehensive gain (loss) in the Company’s Consolidated Statements of Stockholders’ Equity. The Company’s subsidiaries that use the U.S. dollar as their functional currency re-measure monetary assets and liabilities at exchange rates in effect at the end of each period, and inventories, property and non-monetary assets and liabilities at historical rates. Additionally, foreign currency transaction gains and losses are included in interest income and other (income) expense, net, in the Company’s Consolidated Statements of Operations and were not material in the periods presented. Business Combinations The Company accounts for acquisitions of businesses using the purchase method of accounting, which requires the Company to recognize separately from goodwill the assets acquired and the liabilities assumed at their acquisition date fair values. While the Company uses its best estimates and assumptions to accurately value assets acquired and liabilities assumed at the acquisition date, as well as contingent consideration, where applicable, the estimates are inherently uncertain and subject to refinement. Upon the conclusion of the measurement period or final determination of the values of assets acquired or liabilities assumed, whichever comes first, any subsequent adjustments are recorded in the Company’s Consolidated Statements of Operations. Accounting for business combinations requires management to make significant estimates and assumptions, especially at the acquisition date including the Company’s estimates for intangible assets, contractual obligations assumed and pre-acquisition contingencies where applicable. Although the Company believes the assumptions and estimates made in the past have been reasonable and appropriate, they are based in part on historical experience and information obtained from the management of the acquired companies and are inherently uncertain. On May 20, 2022, the Company completed the acquisition of Hardent, Inc. and applied judgment in estimating the fair value of the intangible assets from the acquisition. This involved the use of assumptions related to revenue growth rates and discount rates for the existing technology acquired, and the use of assumptions related to cost of labor to recreate the intangible assets for the customer contracts and contract relationships acquired. Unanticipated events and circumstances may occur that may affect the accuracy or validity of such assumptions, estimates, or actual results. Litigation The Company may be involved in certain legal proceedings. Based upon consultation with outside counsel handling its defense in these matters and an analysis of potential results, if the Company believes that a loss arising from such matters is probable and can be reasonably estimated, the Company records the estimated liability in its consolidated financial statements. If only a range of estimated losses can be determined, the Company records an amount within the range that, in its judgment, reflects the most likely outcome; if none of the estimates within that range is a better estimate than any other amount, the Company records the low end of the range. Any such accrual would be charged to expense in the appropriate period. The Company recognizes litigation expenses in the period in which the litigation services were provided.
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Recent Accounting Pronouncements |
12 Months Ended |
|---|---|
Dec. 31, 2023 | |
| Accounting Standards Update and Change in Accounting Principle [Abstract] | |
| Recent Accounting Pronouncements | Recent Accounting Pronouncements Recent Accounting Pronouncements Adopted In August 2020, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2020-06, “Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity's Own Equity (Subtopic 815-40) (“ASU 2020-06”).” The amendments in this ASU simplify the accounting for certain financial instruments with characteristics of liabilities and equity, including convertible instruments and contracts in an entity’s own equity. Among other changes, the guidance removes the liability and equity separation models for convertible instruments. Instead, entities will account for convertible debt instruments wholly as debt unless convertible instruments contain features that require bifurcation as a derivative or that result in substantial premiums accounted for as paid-in capital. The guidance also requires the application of the if-converted method to calculate the impact of convertible instruments on diluted earnings per share. The guidance is effective for fiscal years beginning after December 15, 2021. The Company adopted this guidance on January 1, 2022 on a modified retrospective basis. Upon adoption, the Company reversed approximately $35.2 million of debt discount related to the Company’s 1.375% Convertible Senior Notes due 2023 (the “2023 Notes”) from additional paid-in capital, reversed approximately $8.3 million representing the unamortized debt discount from liabilities, and recorded the net impact of $26.9 million to accumulated deficit. The Company also removed approximately $0.7 million of debt issuance costs related to the 2023 Notes from additional paid-in capital and recorded approximately $0.5 million to accumulated deficit related to the amortization of debt issuance costs that were historically allocated to equity. In October 2021, the FASB issued ASU No. 2021-08, “Business Combinations (Topic 805)—Accounting for Contract Assets and Contract Liabilities from Contracts with Customers.” The amendments in this ASU improve the accounting for acquired revenue contracts with customers in a business combination by addressing diversity in practice and inconsistencies related to recognition of an acquired contract liability, and to payment terms and their effect on subsequent revenue recognized by the acquirer. Among other changes, this ASU requires that an acquirer account for acquired revenue contracts in accordance with Topic 606 as if it had originated the contracts. If the acquirer is unable to assess or rely on how the acquiree applied Topic 606, the acquirer should consider the terms of the acquired contracts as of the contract inception or contract modification date in applying Topic 606 to determine what should be recorded at the acquisition date. The amendments also provide certain practical expedients for acquirers when recognizing and measuring acquired contract assets and contract liabilities from revenue contracts in a business combination. The guidance is effective for fiscal years beginning after December 15, 2022. The Company elected to early adopt this ASU on April 1, 2022. The adoption of this ASU did not have a material impact on the Company's consolidated financial statements. Recent Accounting Pronouncements Not Yet Adopted In November 2023, the FASB issued ASU No. 2023-07, “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures.” This guidance requires disclosure of incremental segment information on an annual and interim basis, primarily through enhanced disclosures about significant segment expenses that are regularly provided to the chief operating decision maker. In addition, this ASU requires that all existing annual disclosures about segment profit or loss must be provided on an interim basis and clarifies that single reportable segment entities are subject to the disclosure requirement under Topic 280 in its entirety. This ASU is effective for annual reporting periods beginning after December 15, 2023, and interim reporting periods within annual reporting periods beginning after December 15, 2024. Early adoption is permitted. The amendments in this ASU should be applied on a retrospective basis. The Company is currently evaluating the impact that the adoption of this guidance will have on its consolidated financial statements. In December 2023, the FASB issued ASU No. 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures.” This guidance requires additional disclosures related to rate reconciliation, income taxes paid and other disclosures. For each annual period presented, public business entities are required to 1) disclose specific categories in the rate reconciliation and 2) provide additional information for reconciling items that meet a quantitative threshold. In addition, this ASU requires all reporting entities to disclose on an annual basis the amount of income taxes paid disaggregated by federal, state and foreign taxes, as well as the amount of income taxes paid disaggregated by individual jurisdictions which meet a quantitative threshold. This ASU is effective for annual reporting periods beginning after December 15, 2024, with early adoption permitted for annual financial statements that have not yet been issued or made available for issuance. The amendments in this ASU should be applied on a prospective basis, with retrospective application permitted. The Company is currently evaluating the impact that the adoption of this guidance will have on its consolidated financial statements.
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Revenue Recognition (Notes) |
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| Revenue from Contract with Customer [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Revenue Recognition | Revenue Recognition Contract Balances The contract assets are primarily related to the Company’s fixed fee IP licensing arrangements and rights to consideration for performance obligations delivered but not billed as of December 31, 2023. The Company’s contract balances were as follows:
During the years ended December 31, 2023 and December 31, 2022, the Company recognized $20.8 million and $23.6 million, respectively, of revenue that was included in deferred revenue as of December 31, 2022 and December 31, 2021, respectively. Remaining Performance Obligations Revenue allocated to remaining performance obligations represents the transaction price allocated to the performance obligations that are unsatisfied, or partially unsatisfied, which includes unearned revenue and amounts that will be invoiced and recognized as revenue in future periods. Contracted but unsatisfied performance obligations were approximately $19.3 million as of December 31, 2023, which the Company primarily expects to recognize over the next 2 years.
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Earnings (Loss) Per Share |
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| Earnings (Loss) Per Share | Earnings (Loss) Per Share The following table sets forth the computation of basic and diluted net income (loss) per share:
The following potentially dilutive securities were excluded from the calculation of diluted net loss per share attributable to the Company’s common stockholders for the year ended December 31, 2022 because the impact of including them would have been anti-dilutive (in thousands):
The shares in the tables above did not include the principal amount of the Company’s 2023 Notes (“the 2023 Notes”) as the principal amount of the 2023 Notes must be paid in cash. The Company settled the conversion of the remaining $10.4 million aggregate principal amount of the 2023 Notes in the first quarter of 2023. Accordingly, the Company delivered approximately 0.3 million shares of the Company's common stock as settlement related to the in-the-money conversion feature of the 2023 Notes and received an equal amount of shares due to the settlement of the convertible senior note hedges. The Company included dilutive instruments exercised during the period in the denominator of diluted earnings (loss) per share for the period prior to exercise, and thereafter, the Company included the actual shares issued in the denominator for both basic and diluted earnings (loss) per share. Refer to Note 12, “Convertible Notes,” for additional information. As a result of the Company’s adoption of ASU No. 2020-06 on January 1, 2022, the dilutive impact of the 2023 Notes on the calculation of diluted net income (loss) per share is considered using the if-converted method. Furthermore, because the principal amount of the 2023 Notes must be settled in cash, the dilutive impact of applying the if-converted method is limited to the in-the-money portion, if any, of the 2023 Notes. For periods prior to the Company’s January 1, 2022 adoption of ASU No. 2020-06, the Company applied the treasury stock method to account for the dilutive impact of the 2023 Notes for diluted net income (loss) per share purposes. As noted in ASU No. 2020-06, for convertible instruments where the principal is required to be paid in cash, the results of applying the if-converted method are similar to the results of applying the historical treasury stock method. Therefore, even though the Company is required to apply the if-converted method upon adoption of ASU No. 2020-06, there is no impact to its earnings per share calculation.
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Intangible Assets and Goodwill |
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| Intangible Assets and Goodwill | Intangible Assets and Goodwill Goodwill The following tables present goodwill information for the years ended December 31, 2023 and December 31, 2022:
______________________________________ (1) In September 2023, the Company divested its PHY IP group, which resulted in the Company recognizing a decrease in goodwill based on the relative fair value of the Company’s single reporting unit in proportion to the fair value of the divested PHY IP group. Refer to Note 20, “Divestiture,” for additional information.
______________________________________ (1) In May 2022, the Company acquired Hardent, Inc. (“Hardent”), which resulted in the Company recognizing additional goodwill. Refer to Note 21, “Acquisitions,” for additional information. (2) The adjustment to goodwill primarily includes a correction of an immaterial error related to an understatement in other current liabilities that originated from the acquisition of AnalogX Inc. (“AnalogX”) in 2021 and working capital adjustments from the acquisition of Hardent within the measurement period of one year. (3) Effect of exchange rates relates to foreign currency translation adjustments for the period. Intangible Assets, Net The components of the Company’s intangible assets as of December 31, 2023 and December 31, 2022 were as follows:
______________________________________ (1) In September 2023, the Company disposed of approximately $7.4 million of net intangible assets (including $3.8 million of IPR&D) in connection with the divestiture of the Company’s PHY IP group. Refer to Note 20, “Divestiture,” for additional information.
______________________________________ (1) During the year ended December 31, 2022, the Company acquired certain intangible assets for $3.0 million in cash. The assets were classified as existing technology and are being amortized over their expected useful life of five years. During the year ended December 31, 2022, the amortization for the acquired assets was not material. (2) In May 2022, the Company acquired Hardent, which resulted in the Company recognizing additional intangible assets. Refer to Note 21, “Acquisitions,” for additional information. Amortization expense for intangible assets for the years ended December 31, 2023, 2022 and 2021 was $14.7 million, $15.6 million and $17.5 million, respectively. The estimated future amortization expense of intangible assets as of December 31, 2023 was as follows (in thousands):
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Segment Information |
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| Segment Information | Segments and Major Customers Operating segments are based upon the Company’s internal organization structure, the manner in which its operations are managed, the criteria used by its Chief Operating Decision Maker (“CODM”) to evaluate segment performance and availability of separate financial information regularly reviewed for resource allocation and performance assessment. The Company has determined its CODM to be the Chief Executive Officer (“CEO”). The CEO reviews financial information presented on a consolidated basis for purposes of managing the business, allocating resources, making operating decisions and assessing financial performance. On this basis, the Company is organized and operates as a single segment within the semiconductor space. As of December 31, 2023, the Company has a single operating and reportable segment. Accounts receivable from the Company’s major customers representing 10% or more of total accounts receivable at December 31, 2023 and 2022, respectively, was as follows:
_________________________________________ * Customer accounted for less than 10% of total accounts receivable in the period. Revenue from the Company’s major customers representing 10% or more of total revenue for the years ended December 31, 2023, 2022 and 2021, respectively, was as follows:
_________________________________________ * Customer accounted for less than 10% of total revenue in the period. Revenue from customers in the geographic regions based on the location of contracting parties was as follows:
At December 31, 2023, of the $67.8 million of total property, plant and equipment, approximately $64.1 million were located in the United States, $3.0 million were located in India and $0.7 million were located in other foreign locations. At December 31, 2022, of the $86.3 million of total property, plant and equipment, approximately $80.5 million were located in the United States, $3.4 million were located in India and $2.4 million were located in other foreign locations.
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Marketable Securities |
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| Debt Securities, Available-for-Sale [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Marketable Securities | Marketable Securities All cash equivalents and marketable securities are classified as available-for-sale. Total cash, cash equivalents and marketable securities are summarized as follows:
Available-for-sale securities are reported at fair value on the balance sheets and were classified along with cash as follows:
The Company continues to invest in highly rated, liquid debt securities. The Company holds all of its marketable securities as available-for-sale, marks them to market and regularly reviews its portfolio to ensure adherence to its investment policy and to monitor individual investments for risk analysis, proper valuation and impairment. The estimated fair value and gross unrealized losses of cash equivalents and marketable securities classified by the length of time that the securities have been in a continuous unrealized loss position at December 31, 2023 and 2022 are as follows:
The gross unrealized losses at December 31, 2023 and 2022 were not material in relation to the Company’s total available-for-sale portfolio. The gross unrealized losses can be primarily attributed to a combination of market conditions as well as the demand for and duration of the U.S. government-sponsored obligations and corporate bonds, commercial paper and notes. The Company reasonably believes that there is no need to sell these investments and that it can recover the amortized cost of these investments. The Company has found no evidence of impairment due to credit losses in its portfolio. Therefore, these unrealized losses were recorded in other comprehensive income (loss). The Company cannot provide any assurance that its portfolio of cash, cash equivalents and marketable securities will not be impacted by adverse conditions in the financial markets, which may require the Company in the future to record an impairment charge for credit losses which could adversely impact its financial results. The contractual maturities of cash equivalents (excluding money market funds which have no maturity) and marketable securities are summarized as follows:
Refer to Note 9, “Fair Value of Financial Instruments,” for a discussion regarding the fair value of the Company’s cash equivalents and marketable securities.
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Fair Value of Financial Instruments |
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| Fair Value Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value of Financial Instruments | Fair Value of Financial Instruments The following table presents the financial instruments and liabilities that are carried at fair value and summarizes their valuation by the respective pricing levels detailed in Note 2, “Summary of Significant Accounting Policies,” as of December 31, 2023 and 2022:
The Company’s liabilities related to earn-out consideration are classified within Level 3 of the fair value hierarchy because the fair value is determined using significant unobservable inputs. The following table presents additional information about liabilities measured at fair value for which the Company utilizes Level 3 inputs to determine fair value, as of December 31, 2023 and 2022:
For the years ended December 31, 2023, 2022 and 2021, the changes in the fair value of the earn-out liability related to the 2021 acquisition of PLDA, which is subject to certain revenue targets of the acquired business for a period of three years from the date of acquisition, and which is settled annually in shares of the Company’s common stock based on the fair value of that common stock fixed at the time the Company acquired PLDA. The fair value of the earn-out liability is remeasured each quarter, depending on the acquired business’s revenue performance relative to target over the applicable period, and adjusted to reflect changes in the per share value of the Company’s common stock. The Company has classified its liability for the contingent earn-out consideration related to the PLDA acquisition within Level 3 of the fair value hierarchy because the fair value calculation includes significant unobservable inputs, such as revenue forecast, revenue volatility, equity volatility and weighted average cost of capital. During the years ended December 31, 2023, 2022 and 2021, the Company remeasured the fair value of the earn-out liability, which resulted in additional expense of $9.2 million, $3.1 million and $5.3 million, respectively, in the Company’s Consolidated Statements of Operations. The Company monitors its investments for impairment and records appropriate reductions in carrying value when necessary. The Company monitors its investments for impairment by considering current factors, including the economic environment, market conditions, operational performance and other specific factors relating to the business underlying the investment, reductions in carrying values when necessary and the Company’s ability and intent to hold the investment for a period of time which may be sufficient for anticipated recovery in the market. Any impairment is reported under “Interest and other income (expense), net” in the Consolidated Statements of Operations. During the years ended December 31, 2023 and 2022, the Company recorded no other-than-temporary impairment charges on its investments. In 2018, the Company made an investment in a non-marketable equity security of a private company. This investment was accounted for under the equity method of accounting, and the Company accounted for its equity method share of the income (loss). During the second quarter of 2023, the carrying value of the Company’s 25.0% ownership percentage was reduced to zero as the carrying value had been adjusted by an equal and offsetting amount of the Company’s share of the investee’s cumulative losses. During the fourth quarter of 2023, the Company sold its 25.0% ownership share in the equity investment for approximately $25.0 million, which was included, net of withholding taxes paid, in prepaid and other current assets in the Company’s Consolidated Balance Sheet as of December 31, 2023. The Company recognized a gain of $25.0 million related to the sale of the Company’s 25.0% ownership share in the non-marketable equity security. The gain was offset by transaction costs of approximately $1.1 million, resulting in a net gain of approximately $23.9 million, which was included in the Company’s Consolidated Statement of Operations for the year ended December 31, 2023. The Company has non-cash investing cash flow activity of approximately $23.0 million from the sale of the non-marketable equity security, which were offset by withholding taxes paid and changes in the foreign currency exchange rates, which was subsequently received in January 2024. The carrying value of the Company’s 25.0% ownership percentage was deemed immaterial as of December 31, 2022. The Company recorded immaterial amounts in its Consolidated Statements of Operations representing its share of the investee’s loss for the years ended December 31, 2023 and 2022, respectively. During the year ended December 31, 2022, the Company recorded a gain on fair value of approximately $3.5 million related to the sale of an equity security with an immaterial carrying value in its Consolidated Statements of Operations. During the years ended December 31, 2023 and 2022, there were no transfers of financial instruments between different categories of fair value. The following table presents the financial instruments that are not carried at fair value but require fair value disclosure as of 2022:
The fair value of the convertible notes at December 31, 2022 was determined based on recent quoted market prices for these notes, which is a Level 2 measurement. As discussed in Note 12, “Convertible Notes,” the Company settled the remaining $10.4 million aggregate principal amount of the 2023 Notes during the first quarter of 2023. As of December 31, 2022, the 2023 Notes were carried at their face value of $10.4 million, less any unamortized debt issuance costs. The carrying value of other financial instruments, including accounts receivable, accounts payable and other liabilities, approximated fair value due to their short maturities. Information regarding the Company’s goodwill and long-lived assets balances are disclosed in Note 6, “Intangible Assets and Goodwill.”
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Leases (Notes) |
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| Leases [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Leases | Leases The Company has a lease agreement with 237 North First Street Holdings, LLC for an office space located at 4453 North First Street in San Jose, California (the “Lease”). The Lease has a term of 128 months from the amended commencement date in April 2020. The annual base rent increases each year to certain fixed amounts over the course of the term. In addition to the base rent, the Company will also pay operating expenses, insurance expenses, real estate taxes and a management fee. The Lease allows for an option to expand, wherein the Company has the right of first refusal to rent additional space in the building. The Company has a one-time option to extend the Lease for a period of 60 months and may elect to terminate the Lease, via written notice to the Landlord, in the event the office space is damaged or destroyed. These options were not recognized as part of operating lease right-of-use assets and operating lease liabilities. The table below reconciles the undiscounted cash flows for the first five years and total of the remaining years to the operating lease liabilities recorded in the Consolidated Balance Sheet as of December 31, 2023 (in thousands):
As of December 31, 2023, the weighted-average remaining lease term for the Company’s operating leases was 6.2 years, and the weighted-average discount rate used to determine the present value of the Company’s operating leases was 6.3%. Operating lease costs included in research and development and selling, general and administrative costs in the Company’s Consolidated Statements of Operations were $6.0 million, $7.5 million and $7.4 million for the years ended December 31, 2023, 2022 and 2021, respectively. Cash paid for amounts included in the measurement of operating lease liabilities were $6.7 million, $8.6 million and $7.8 million for the years ended December 31, 2023, 2022 and 2021, respectively.
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Balance Sheet Details |
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| Balance Sheet Related Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Balance Sheet Details | Balance Sheet Details Inventories (1) Inventories consisted of the following:
(1) As of December 31, 2023 and 2022, the Company had inventory reserve balances of approximately $6.0 million and $1.3 million included in the Consolidated Balance Sheets, respectively. Property, Plant and Equipment, net Property, plant and equipment, net is comprised of the following:
Depreciation expense for the years ended December 31, 2023, 2022 and 2021 was $37.7 million, $26.0 million and $21.0 million, respectively. Other Current Liabilities Other current liabilities are comprised of the following:
Accumulated Other Comprehensive Loss Accumulated other comprehensive loss is comprised of the following:
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Convertible Notes |
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| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Convertible Notes | Convertible Notes The Company’s convertible notes are shown in the following table:
(1) As of December 31, 2023, none of the 2023 Notes remained outstanding. 1.375% Convertible Senior Notes due 2023. On November 17, 2017, the Company issued $172.5 million aggregate principal amount of 1.375% convertible senior notes pursuant to an indenture (the “2023 Indenture”), by and between the Company and U.S. Bank National Association, as trustee (the “Trustee”). In accounting for the 2023 Notes at issuance and prior to the adoption of ASU No. 2020-06, the Company had separated the 2023 Notes into liability and equity components pursuant to the accounting standards for convertible debt instruments that may be fully or partially settled in cash upon conversion. As of the date of issuance, the Company determined that the liability component of the 2023 Notes was $137.3 million and the equity component of the 2023 Notes was $35.2 million. The fair value of the liability component was estimated using an interest rate for a similar instrument without a conversion feature. The unamortized discount related to the 2023 Notes was being amortized to interest expense using the effective interest method over approximately five years. As a result of the adoption of ASU No. 2020-06 on January 1, 2022, the Company reversed approximately $35.2 million of debt discount related to the 2023 Notes from additional paid-in capital, reversed approximately $8.3 million representing the unamortized debt discount from liabilities and recorded the net impact of $26.9 million to accumulated deficit. The 2023 Notes bore interest at a rate of 1.375% per year, payable semi-annually on February 1 and August 1 of each year, beginning on August 1, 2018. Contractually, the 2023 Notes would mature on February 1, 2023, unless earlier repurchased by the Company or converted pursuant to their terms. The Company incurred transaction costs of approximately $3.3 million related to the issuance of the 2023 Notes. In accounting for these costs and prior to the adoption of ASU No. 2020-06, the Company had allocated the costs to the liability and equity components in proportion to the allocation of proceeds from the issuance of the 2023 Notes to such components. Transaction costs allocated to the liability component of $2.6 million were netted against the carrying amount of the liability in the Consolidated Balance Sheets and were amortized to interest expense using the effective interest method over the term of the 2023 Notes. The transaction costs allocated to the equity component of $0.7 million were recorded as additional paid-in capital. As a result of the adoption of ASU No. 2020-06 on January 1, 2022, the Company removed approximately $0.7 million of debt issuance costs related to the 2023 Notes from additional paid-in capital and recorded approximately $0.5 million to accumulated deficit related to the amortization of debt issuance costs that were historically allocated to equity. The initial conversion rate of the 2023 Notes was 52.8318 shares of the Company’s common stock per $1,000 principal amount of 2023 Notes (which was equivalent to an initial conversion price of approximately $18.93 per share). The conversion rate was subject to adjustment upon the occurrence of certain specified events but would not be adjusted for accrued and unpaid interest. In addition, upon the occurrence of a make-whole fundamental change (as defined in the 2023 Indenture), the Company would have, in certain circumstances, increased the conversion rate by a number of additional shares for a holder that could have elected to convert its 2023 Notes in connection with such make-whole fundamental change. Prior to the close of business on the business day immediately preceding November 1, 2022, the 2023 Notes would have been convertible only under the following circumstances: (1) during any calendar quarter commencing after March 31, 2018, and only during such calendar quarter, if the last reported sale price of the common stock for at least 20 trading days (whether or not consecutive) in a period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter is more than 130% of the conversion price on each applicable trading day; (2) during the business day period after any consecutive trading day period in which, for each trading day of that period, the trading price per $1,000 principal amount of 2023 Notes for such trading day was less than 98% of the product of the last reported sale price of the common stock and the conversion rate on each such trading day; (3) upon the occurrence of specified distributions to holders of our common stock; or (4) upon the occurrence of specified corporate transactions. On or after November 1, 2022, until the close of business on the second scheduled trading day immediately preceding the maturity date, holders of the 2023 Notes would have been able to convert all or a portion of their 2023 Notes regardless of the foregoing conditions. Upon conversion, the Company would have paid cash up to the aggregate principal amount of the 2023 Notes to be converted and pay or deliver, as the case may have been, cash, shares of common stock or a combination of cash and shares of common stock, at the Company’s election, in respect of the remainder, if any, of its conversion obligation in excess of the aggregate principal amount of the 2023 Notes being converted. The Company could not have redeemed the 2023 Notes prior to the maturity date and no sinking fund was provided for the 2023 Notes. Upon the occurrence of a fundamental change (as defined in the 2023 Indenture) prior to the maturity date, holders may have required the Company to repurchase all or a portion of the 2023 Notes for cash at a price equal to 100% of the principal amount of the 2023 Notes to be repurchased, plus any accrued and unpaid interest to, but excluding, the fundamental change repurchase date. The 2023 Notes were the Company’s senior unsecured obligations and ranked senior in right of payment to any of the Company’s indebtedness that was expressly subordinated in right of payment to the notes; equal in right of payment with the Company’s existing and future liabilities that were not so subordinated; effectively junior in right of payment to any of the Company’s secured indebtedness to the extent of the value of the assets securing such indebtedness; and structurally junior to any existing and future indebtedness and other liabilities (including trade payables, but excluding intercompany obligations and liabilities) and any preferred stock of subsidiaries of the Company. The following events were considered “events of default” with respect to the 2023 Notes, which may have resulted in the acceleration of the maturity of the 2023 Notes: (1) the Company defaulted on the payment when due of any principal of any of the 2023 Notes at maturity or upon exercise of a repurchase right or otherwise; (2) the Company defaulted on the payment of any interest, including additional interest, if any, on any of the 2023 Notes, when the interest became due and payable, and continuance of such default for a period of 30 days; (3) failure by the Company to comply with its obligation to convert the 2023 Notes in accordance with the 2023 Indenture upon exercise of a holder’s conversion right; (4) failure by the Company to give a fundamental change notice or notice of a specified corporate transaction when due with respect to the Notes; (5) failure by the Company to comply with any of its other agreements contained in the 2023 Notes or the 2023 Indenture for a period of 60 days after written notice from the Trustee or the holders of at least 25% in aggregate principal amount of the Notes then outstanding had been received; (6) failure by the Company to have paid when due the principal of, or acceleration of, any indebtedness for money borrowed by the Company or any of its Material Subsidiaries (as defined in the 2023 Indenture) in excess of $40.0 million principal amount, if such indebtedness was not discharged, or such acceleration was not annulled, for a period of 30 days after written notice to the Company by the Trustee or to the Company and the Trustee by holders of 25% or more in aggregate principal amount of the 2023 Notes then outstanding in accordance with the 2023 Indenture; and (7) certain events of bankruptcy, insolvency or reorganization of the Company or any of its Material Subsidiaries (as defined in the Indenture). If such an event of default, other than an event of default described in clause (7) above with respect to the Company, had occurred, the Trustee by written notice to the Company, or the holders of at least 25% in aggregate principal amount of the outstanding Notes by notice to the Company and the Trustee, may have, and the Trustee at the request of such holders should have, declared 100% of the principal of and accrued and unpaid interest, if any, on all the Notes then outstanding to be due and payable. If an event of default described in clause (7) above occurred, 100% of the principal of and accrued and unpaid interest on the Notes then outstanding would have automatically become due and payable. On March 2, 2022, the Company entered into individual, privately negotiated transactions with certain holders of its outstanding 2023 Notes, pursuant to which the Company paid an aggregate of approximately $199.1 million in cash for the repurchase of approximately $123.1 million aggregate principal amount of its 2023 Notes (“Q1 2022 Partial Notes Repurchase”). The cash consideration was based on a volume-weighted average price of $29.6789 for the 19-trading day measurement period ending March 29, 2022. Of the $123.1 million aggregate principal amount, approximately $107.9 million was settled on March 31, 2022 for $174.5 million in cash. The remaining $15.2 million aggregate principal amount was settled on April 1, 2022 for $24.6 million in cash. In addition, this transaction resulted in a loss on extinguishment of debt of $66.5 million and a loss on fair value adjustment of derivatives, net of $8.3 million. On August 11, 2022, the Company entered into individual, privately negotiated transactions with certain holders of its outstanding 2023 Notes, pursuant to which the Company paid an aggregate of approximately $58.9 million in cash for the repurchase of approximately $39.0 million aggregate principal amount of its 2023 Notes (“Q3 2022 Partial Notes Repurchase”). The cash consideration was based on a volume-weighted average price of $27.8456 for the 10-trading day measurement period ending August 25, 2022. In addition, this transaction resulted in a loss on extinguishment of debt of $17.1 million and a loss on fair value adjustment of derivatives, net of $2.3 million. Upon entering into the Q1 2022 and Q3 2022 Partial Notes Repurchase agreements, the conversion feature related to the 2023 Notes repurchased, as well as the settlements of the convertible senior note hedges and warrants, were subject to derivative accounting. As described in the preceding paragraphs above, the combination of these two transactions resulted in $10.6 million in losses on fair value adjustment of derivatives, net, for the year ended December 31, 2022. During the first quarter of 2023, the holders of the remaining $10.4 million aggregate principal amount of the 2023 Notes elected to convert the notes pursuant to the original terms of the conversion feature. Accordingly, upon maturity, the Company paid $10.4 million in cash to settle the aggregate principal amount of the 2023 Notes and delivered approximately 0.3 million shares of the Company's common stock to settle the conversion spread. Note Hedges and Warrants. On November 14, 2017 and November 16, 2017, in connection with the 2023 Notes, the Company entered into privately negotiated convertible note hedge transactions (the “Convertible Note Hedge Transactions”) with respect to the Company’s common stock, par value $0.001 per share (the “Common Stock”), with certain bank counterparties (the “Counterparties”). The Company paid an aggregate amount of approximately $33.5 million to the Counterparties for the Convertible Note Hedge Transactions. The Convertible Note Hedge Transactions covered, subject to anti-dilution adjustments substantially similar to those in the 2023 Notes, approximately 9.1 million shares of Common Stock, the same number of shares underlying the 2023 Notes, at a strike price that corresponded to the initial conversion price of the 2023 Notes, and were exercisable upon conversion of the 2023 Notes. Contractually, the Convertible Note Hedge Transactions would have expired upon the maturity of the 2023 Notes. The Convertible Note Hedge Transactions were intended to reduce the potential economic dilution upon conversion of the 2023 Notes. The Convertible Note Hedge Transactions were separate transactions and were not part of the terms of the 2023 Notes. Holders of the 2023 Notes did not have any rights with respect to the Convertible Note Hedge Transactions. In addition, concurrently with entering into the Convertible Note Hedge Transactions, the Company separately entered into privately negotiated warrant transactions, whereby the Company sold to the Counterparties warrants (the “Warrants”) to acquire, collectively, subject to anti-dilution adjustments, approximately 9.1 million shares of the Common Stock at an initial strike price of approximately $23.30 per share, which represented a premium of 60% over the last reported sale price of the Common Stock of $14.56 on November 14, 2017. The Company received aggregate proceeds of approximately $23.2 million from the sale of the Warrants to the Counterparties. The Warrants were separate transactions and were not part of the 2023 Notes or Convertible Note Hedge Transactions. Holders of the 2023 Notes and Convertible Note Hedge Transactions did not have any rights with respect to the Warrants. The amounts paid and received for the Convertible Note Hedge Transactions and Warrants were recorded in additional paid-in capital in the Consolidated Balance Sheets. The fair value of the Convertible Note Hedge Transactions and Warrants were not re-measured through earnings each reporting period. The amounts paid for the Convertible Note Hedge Transactions were tax deductible expenses, while the proceeds received from the Warrants were not taxable. In connection with the Q1 2022 Partial Notes Repurchase, the Company entered into agreements with certain financial institutions to retire the corresponding portions of convertible senior note hedges and warrants the Company had previously entered into with the counterparties in connection with the issuance of the 2023 Notes. Upon settlement, the Company received $72.4 million in cash for the retirement of the proportionate amount of convertible senior note hedges and paid $55.1 million in cash for the retirement of the proportionate amount of warrants during the first quarter of 2022. In connection with the Q3 2022 Partial Notes Repurchase, the Company entered into agreements with certain financial institutions to retire the corresponding portions of convertible senior note hedges and warrants the Company had previously entered into with the counterparties in connection with the issuance of the 2023 Notes. Upon settlement, the Company received $19.3 million in cash for the retirement of the proportionate amount of convertible senior note hedges and paid $14.4 million in cash for the retirement of the proportionate amount of warrants during the third quarter of 2022. In connection with the settlement of the conversion of the remaining 2023 Notes, the Company received 0.3 million shares of the Company’s common stock for the retirement of the remaining convertible senior note hedges and paid $10.7 million in cash for the retirement of the remaining warrants during the first quarter of 2023. Additionally, the retirement of the remaining warrants was subject to derivative accounting, resulting in a loss on fair value adjustment of derivatives of $0.2 million for the year ended December 31, 2023. As of December 31, 2023, none of the note hedges and warrants remained outstanding. Interest expense related to the convertible notes for the years ended December 31, 2022 and 2021 was as follows:
For the year ended December 31, 2023, interest expense related to the convertible notes was deemed immaterial.
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Commitments and Contingencies |
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| Commitments and Contingencies Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies | Commitments and Contingencies As of December 31, 2023, the Company’s material contractual obligations were as follows:
______________________________________ (1) The above table does not reflect possible payments in connection with unrecognized tax benefits of approximately $110.7 million, including $31.7 million recorded as a reduction of long-term deferred tax assets and $78.9 million in long-term income taxes payable, as of December 31, 2023. As noted below in Note 18, “Income Taxes,” although it is possible that some of the unrecognized tax benefits could be settled within the next 12 months, the Company cannot reasonably estimate the timing of the outcome at this time. (2) For the Company’s lease commitments as of December 31, 2023, refer to Note 10, “Leases.” (3) The Company has commitments with various software vendors for agreements generally having terms longer than one year. As of December 31, 2023, approximately $14.6 million of the fair value of the liability was included in other current liabilities and $8.0 million was included in other long-term liabilities, in the accompanying Consolidated Balance Sheet. (4) In connection with the acquisitions of Hardent in the second quarter of 2022 and PLDA in the third quarter of 2021, the Company is obligated to pay retention bonuses to certain employees subject to certain eligibility and acceleration provisions, including the condition of employment. (5) In connection with the acquisition of AnalogX in the third quarter of 2021, the Company was obligated to pay retention bonuses to certain employees subject to certain eligibility and acceleration provisions, including the condition of employment. In September 2023, the Company divested its PHY IP group, which included AnalogX and resulted in the Company recognizing an immaterial decrease related to the remaining AnalogX acquisition retention bonus liability. Refer to Note 20, “Divestiture,” for additional information. Indemnifications From time to time, the Company indemnifies certain customers as a necessary means of doing business. Indemnification covers customers for losses suffered or incurred by them as a result of any patent, copyright, or other IP infringement or any other claim by any third party arising as a result of the applicable agreement with the Company. The Company generally attempts to limit the maximum amount of indemnification that the Company could be required to make under these agreements to the amount of fees received by the Company, however, this may not always be possible. The fair value of the liability as of December 31, 2023 and 2022, respectively, was not material.
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Equity Incentive Plans and Stock-Based Compensation |
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| Share-Based Payment Arrangement [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity Incentive Plans and Stock-Based Compensation | Equity Incentive Plans and Stock-Based Compensation Equity Incentive Plans The Company has two equity incentive plans under which grants are currently outstanding: the 2015 Equity Incentive Plan (the “2015 Plan”) and the 2019 Inducement Equity Incentive Plan (the “2019 Inducement Plan”). The 2015 Plan and 2019 Inducement Plan were the Company’s only plans for providing stock-based incentive awards to eligible employees, executive officers, non-employee directors and consultants as of December 31, 2023. Grants under all plans typically have a requisite service period of 60 months or 48 months, have straight-line vesting schedules and expire not more than 10 years from date of grant. A summary of shares available for grant under the Company’s plans is as follows:
______________________________________ (1) For purposes of determining the number of shares available for grant under the 2015 Plan against the maximum number of shares authorized, each restricted stock unit granted prior to April 27, 2023 reduces the number of shares available for grant by 1.5 shares and each restricted stock unit forfeited increases shares available for grant by 1.5 shares. Each restricted stock unit granted on or after April 27, 2023 reduces the number of shares available for grant by 1.0 shares and each restricted stock unit forfeited increases shares available for grant by 1.0 shares. (2) Amount includes approximately 0.4 million shares that have been reserved for potential future issuance related to certain performance unit awards granted in 2021 and discussed under the section titled “Nonvested Equity Stock and Stock Units” below. (3) Amount includes approximately 0.6 million shares that have been reserved for potential future issuance related to certain performance unit awards granted in 2022 and discussed under the section titled “Nonvested Equity Stock and Stock Units” below. (4) On April 27, 2023, the Company’s stockholders approved these additional shares to be reserved for issuance under the 2015 Plan. (5) Amount includes approximately 0.2 million shares that have been reserved for potential future issuance related to certain performance unit awards granted in 2023 and discussed under the section titled “Nonvested Equity Stock and Stock Units” below. General Stock Option Information The following table summarizes stock option activity under the Company’s equity incentive plans for the years ended December 31, 2023, 2022 and 2021 and information regarding stock options outstanding, exercisable, and vested and expected to vest as of December 31, 2023:
Employee Stock Purchase Plan During the years ended December 31, 2023, 2022 and 2021, the Company had one employee stock purchase plan, the 2015 Employee Stock Purchase Plan (“2015 ESPP”). Employees generally will be eligible to participate in the plan if they are employed by the Company for more than 20 hours per week and more than five months in a fiscal year. The 2015 ESPP provides for -month offering periods, with a new offering period commencing on the first trading day on or after May 1 and November 1 of each year. Under the plan, employees may purchase stock at the lower of 85% of the fair market value of the Company’s common stock at the beginning of the offering period (the enrollment date) or the end of each offering period (the purchase date). Employees generally may not purchase more than the number of shares having a value greater than $25,000 in any calendar year, as measured at the purchase date. The Company issued 172,711 shares at an average price of $31.10 per share during the year ended December 31, 2023. The Company issued 255,614 shares at an average price of $20.60 per share during the year ended December 31, 2022. The Company issued 384,087 shares at an average price of $12.95 per share during the year ended December 31, 2021. As of December 31, 2023, 2.4 million shares under the ESPP remained available for issuance. Stock-Based Compensation Stock Options There were no stock options granted during the years ended December 31, 2023, 2022 and 2021, respectively. Stock-based compensation expense related to stock options was immaterial for the years ended December 31, 2023, 2022 and 2021. As of December 31, 2023, all compensation cost net of expected forfeitures, related to unvested stock-based compensation arrangements granted under the stock option plans has been fully recognized. The total fair value of options vested for the years ended December 31, 2023, 2022 and 2021 was $0.5 million, $1.7 million and $2.0 million, respectively. Employee Stock Purchase Plan During the years ended December 31, 2023, 2022 and 2021, the Company recorded stock-based compensation related to the 2015 ESPP of $1.8 million, $1.7 million and $1.4 million, respectively. As of December 31, 2023, there was $0.8 million of total unrecognized compensation cost related to stock-based compensation arrangements granted under the 2015 ESPP. That cost is expected to be recognized over four months. Valuation Assumptions The Company estimates the fair value of stock awards using the BSM model. The BSM model determines the fair value of stock-based compensation and is affected by the Company’s stock price on the date of the grant, as well as assumptions regarding a number of highly complex and subjective variables. These variables include expected volatility, expected life of the award, expected dividend rate and expected risk-free rate of return. The assumptions for expected volatility and expected life are the two assumptions that significantly affect the grant-date fair value. If actual results differ significantly from these estimates, stock-based compensation expense and the Company’s results of operations could be materially impacted. The fair value of stock awards is estimated as of the grant date using the BSM option-pricing model assuming a dividend yield of 0% and the additional weighted-average assumptions as listed in the table below.
Expected Stock Price Volatility: Given the volume of market activity in its market traded options, the Company determined that it would use the implied volatility of its nearest-to-the-money traded options. The Company believes that the use of implied volatility is more reflective of market conditions and a better indicator of expected volatility than historical volatility. If there is not sufficient volume in its market traded options, the Company will use an equally weighted blend of historical and implied volatility. Risk-free Interest Rate: The Company bases the risk-free interest rate used in the BSM valuation method on implied yield currently available on the U.S. Treasury zero-coupon issues with an equivalent term. Where the expected terms of the Company’s stock-based awards do not correspond with the terms for which interest rates are quoted, the Company uses an approximation based on rates on the closest term currently available. Expected Term: The expected term of options granted represents the period of time that options granted are expected to be outstanding. The expected term was determined based on historical experience of similar awards, giving consideration to the contractual terms of the stock-based awards, vesting schedules and expectations of future employee behavior. The expected term of ESPP grants is based upon the length of each respective purchase period. Nonvested Equity Stock and Stock Units The Company grants nonvested equity stock units to officers, employees and directors. For the years ended December 31, 2023, 2022 and 2021, the Company granted nonvested equity stock units totaling 1.3 million, 2.3 million and 2.4 million shares, respectively. These awards have a service condition, generally a service period of four years, except in the case of grants to directors, for which the service period is one year. For the years ended December 31, 2023, 2022 and 2021, the nonvested equity stock units were valued at the date of grant, giving them a fair value of approximately $60.7 million, $65.6 million and $50.1 million, respectively. During the years ended December 31, 2023, 2022 and 2021, the Company granted performance unit awards to certain Company executive officers with vesting subject to the achievement of certain performance and/or market conditions. The ultimate number of performance units that can be earned can range from 0% to 200% of target depending on performance relative to target over the applicable period. The shares earned will vest on the third anniversary of the date of grant. The Company’s shares available for grant have been reduced to reflect the shares that could be earned at the maximum target. For the years ended December 31, 2023, 2022 and 2021, the Company recorded stock-based compensation expense of approximately $43.1 million, $33.8 million and $25.7 million, respectively, related to all outstanding nonvested equity stock grants. Unrecognized compensation cost related to all nonvested equity stock grants, net of estimated forfeitures, was approximately $64.2 million at December 31, 2023. This amount is expected to be recognized over a weighted-average period of 1.9 years. The following table reflects the activity related to nonvested equity stock and stock units for the years ended December 31, 2023, 2022 and 2021:
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Stockholders' Equity |
12 Months Ended |
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Dec. 31, 2023 | |
| Stockholders' Equity Note [Abstract] | |
| Stockholders' Equity | Stockholders’ Equity Share Repurchase Programs On October 29, 2020, the Board approved a share repurchase program authorizing the repurchase of up to an aggregate of 20.0 million shares (the “2020 Repurchase Program”). Share repurchases under the 2020 Repurchase Program may be made through the open market, established plans or privately negotiated transactions in accordance with all applicable securities laws, rules and regulations. There is no expiration date applicable to the 2020 Repurchase Program. The 2020 Repurchase Program replaced the previous program approved by the Board in January 2015 and canceled the remaining shares outstanding as part of the previous authorization. During the years ended December 31, 2023, 2022 and 2021, the Company repurchased shares of its common stock under the 2020 Repurchase Program as discussed below. On November 11, 2020, the Company entered into an accelerated share repurchase program with Deutsche Bank AG, London Branch as counterparty, through its agent Deutsche Bank Securities Inc. (“Deutsche Bank”) (the “2020 ASR Program”). The 2020 ASR Program was part of the 2020 Repurchase Program. Under the 2020 ASR Program, the Company pre-paid to Deutsche Bank the $50.0 million purchase price for its common stock and, in turn, the Company received an initial delivery of approximately 2.6 million shares of its common stock from Deutsche Bank in the fourth quarter of 2020, which were retired and recorded as a $40.0 million reduction to stockholders’ equity. The remaining $10.0 million of the initial payment was recorded as a reduction to stockholders’ equity as an unsettled forward contract indexed to the Company’s stock. During the second quarter of 2021, the accelerated share repurchase program was completed and the Company received an additional 0.1 million shares of its common stock, which were retired, as the final settlement of the accelerated share repurchase program. On June 15, 2021, the Company entered into an accelerated share repurchase program with Deutsche Bank (the “2021 ASR Program”). The 2021 ASR Program was part of the 2020 Repurchase Program. Under the 2021 ASR Program, the Company pre-paid to Deutsche Bank the $100.0 million purchase price for its common stock and, in turn, the Company received an initial delivery of approximately 3.9 million shares of its common stock from Deutsche Bank in the second quarter of 2021, which were retired and recorded as an $80.0 million reduction to stockholders’ equity. The remaining $20.0 million of the initial payment was recorded as a reduction to stockholders’ equity as an unsettled forward contract indexed to the Company’s stock. During the fourth quarter of 2021, the accelerated share repurchase program was completed and the Company received an additional 0.4 million shares of its common stock, which were retired, as the final settlement of the accelerated share repurchase program. On September 9, 2022, the Company entered into an accelerated share repurchase program with Wells Fargo Bank, National Association (“Wells Fargo”) (the “2022 ASR Program”). The 2022 ASR Program was part of the 2020 Repurchase Program. Under the 2022 ASR Program, the Company pre-paid to Wells Fargo the $100.0 million purchase price for its common stock and, in turn, the Company received an initial delivery of approximately 3.1 million shares of its common stock from Wells Fargo in the third quarter of 2022, which were retired and recorded as an $80.0 million reduction to stockholders’ equity. The remaining $20.0 million of the initial payment was recorded as a reduction to stockholders’ equity as an unsettled forward contract indexed to the Company’s stock. During the fourth quarter of 2022, the accelerated share repurchase program was completed and the Company received an additional 0.1 million shares of its common stock, which were retired, as the final settlement of the 2022 ASR Program. On August 10, 2023, the Company entered into an accelerated share repurchase program with Royal Bank of Canada (“RBC”) (the “2023 ASR Program”). The 2023 ASR Program was part of the 2020 Repurchase Program. Under the 2023 ASR Program, the Company pre-paid to RBC the $100.0 million purchase price for its common stock and, in turn, the Company received an initial delivery of approximately 1.6 million shares of its common stock from RBC on August 11, 2023, which were retired and recorded as an $80.0 million reduction to stockholders’ equity. The remaining $20.0 million of the initial payment was recorded as a reduction to stockholders’ equity as an unsettled forward contract indexed to the Company’s stock. On September 22, 2023, the accelerated share repurchase program was completed and the Company received an additional 0.2 million shares of its common stock, which were retired, as the final settlement of the 2023 ASR Program. On November 2, 2023, the Company entered into a share repurchase plan (the “Buying Plan”) with RBC Capital Markets, LLC (“RBCCM”). The Buying Plan was part of the 2020 Repurchase Program. Under the Buying Plan, RBCCM shall commence purchases for a 12-month period starting on November 2, 2023 and ending on November 1, 2024, unless terminated sooner pursuant to the Buying Plan (the “Repurchase Period”). During the Repurchase Period, RBCCM may purchase an aggregate amount of $50.0 million of the Company’s common stock, and its execution is dependent on the Company’s stock price reaching certain levels. Share repurchases shall not exceed $25.0 million in a quarter. During the fourth quarter of 2023, an immaterial amount of shares were repurchased, retired and recorded as a reduction to stockholders’ equity. Effective January 1, 2023, the Company’s share repurchases are subject to a 1% excise tax as a result of the Inflation Reduction Act of 2022. As of December 31, 2023, there was no exercise tax liability as the fair market value of the Company’s common stock issuances in 2023 exceeded the fair market value of the total repurchases during the same period. During the year ended December 31, 2023, there were no other repurchases of the Company’s common stock under the 2020 Repurchase Program. As of December 31, 2023, there remained an outstanding authorization to repurchase approximately 7.9 million shares of the Company’s outstanding common stock under the 2020 Repurchase Program. The Company records share repurchases as a reduction to stockholders’ equity. The Company records a portion of the purchase price of the repurchased shares as an increase to accumulated deficit when the price of the shares repurchased exceeds the average original proceeds per share received from the issuance of common stock in accordance with its accounting policy. During the years ended December 31, 2023 and 2022, the cumulative price of $94.7 million and $90.1 million, respectively, were recorded as increases to accumulated deficit.
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Benefit Plans |
12 Months Ended |
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Dec. 31, 2023 | |
| Retirement Benefits [Abstract] | |
| Benefit Plans | Benefit Plans The Company has a 401(k) Plan (the “401(k) Plan”) qualified under Section 401(k) of the Internal Revenue Code of 1986. Each eligible employee may elect to contribute up to 60% of the employee’s annual compensation to the 401(k) Plan, up to the Internal Revenue Service limit. The Company, at the discretion of its Board of Directors, may match employee contributions to the 401(k) Plan. The Company matches 50% of eligible employee’s contribution, up to the first 6% of an eligible employee’s qualified earnings. For the years ended December 31, 2023, 2022 and 2021, the Company made matching contributions totaling approximately $2.0 million, $1.9 million and $1.8 million, respectively.
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Restructuring Charges |
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| Restructuring and Other Charges | Restructuring and Other Charges 2023 Restructuring Plan In June 2023, the Company initiated a restructuring program to reduce overall expenses to improve future profitability by reducing the Company’s overall spending (the “2023 Restructuring Plan”). In connection with this restructuring program, the Company initiated a plan resulting in a reduction of 42 employees. During the year ended December 31, 2023, the Company recorded charges of approximately $9.4 million to “Restructuring and other charges” in its Consolidated Statement of Operations, related to the reduction in workforce, as well as write-downs of obligations related to certain IP development costs and software licenses for engineering development tools. The 2023 Restructuring Plan was materially completed in the fourth quarter of 2023. The following table summarizes the 2023 Plan restructuring activities during the year ended December 31, 2023:
_________________________________________ * The non-cash items of $0.9 million related to the write-down of software licenses for engineering development tools. During the years ended December 31, 2022 and 2021, the Company did not initiate any restructuring programs.
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Income Taxes |
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| Income Tax Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Income Taxes | Income Taxes Income (loss) before taxes consisted of the following:
The provision for (benefit from) income taxes was comprised of:
The differences between the Company’s effective tax rate and the U.S. federal statutory regular tax rate were as follows:
The components of the net deferred tax assets (liabilities) were as follows:
The Company periodically evaluates the realizability of its net deferred tax assets based on all available evidence, both positive and negative. The realizability of the Company’s net deferred tax assets is dependent on its ability to generate sufficient future taxable income during periods prior to the expiration of tax attributes to fully utilize these assets. During the second quarter of 2023, based on all available positive and negative evidence, the Company determined that it was appropriate to release the valuation allowance on the majority of the Company’s U.S. federal and other state deferred tax assets. During the third quarter of 2023, the Company further adjusted its valuation allowance release as a result of a change in forecasted income and tax expense, primarily due to the sale of intangible assets as part of the PHY IP group divestiture. The Company recognized a $177.9 million tax benefit during the year ended December 31, 2023 as a result of the valuation allowance release. During the second quarter of 2023, the Company reached a cumulative income position over the previous three years. The cumulative three-year income is considered positive evidence, which is considered objective and verifiable, and thus received significant weighting. Additional positive evidence considered by the Company in its assessment included recent utilization of tax attribute carryforwards and future forecasts of continued profitability in the United States. Negative evidence the Company considered included economic uncertainties, including volatility of the industry, and the possibility of a recession or a decline in the market. Upon considering the relative impact of all evidence during the second quarter of 2023, both negative and positive, and the weight accorded to each, the Company concluded that it was more likely than not that the majority of its deferred tax assets would be realizable, with the exception of primarily its California research and development credits that have not met the “more likely than not” realization threshold criteria. As a result, the Company released the related valuation allowance against the majority of its federal and state deferred tax assets. The effect of the valuation allowance release is included as a component of the benefit from income taxes in the accompanying Consolidated Statements of Operations. The Company has U.S. federal deferred tax assets related to research and development credits, foreign tax credits and other tax attributes that can be used to offset U.S. federal taxable income in future periods. These credit carryforwards will expire if they are not used within certain time periods. It is possible that some or all of these attributes could ultimately expire unused. The following table presents the tax valuation allowance information for the years ended December 31, 2023, 2022 and 2021:
______________________________________ * Amounts not charged to operations are charged to other comprehensive income or retained earnings. As of December 31, 2023, the Company had California and other state net operating loss carryforwards of $167.7 million and $0.8 million, respectively. As of December 31, 2023, the Company had federal research and development tax credit carryforwards of $45.2 million and foreign tax credits of $10.1 million. As of December 31, 2023, the Company had California research and development tax credit carryforwards of $28.1 million and California alternative minimum tax credit carryforwards of $0.5 million. The federal foreign tax credits and research and development credits begin to expire in 2024. Approximately $3.9 million of federal foreign tax credits will expire in 2024. The California net operating losses begin to expire in 2031. The California research and development credits carry forward indefinitely. In the event of a change in ownership, as defined under federal and state tax laws, the Company’s net operating loss and tax credit carryforwards could be subject to annual limitations. The annual limitations could result in the expiration of the net operating loss and tax credit carryforwards prior to utilization. As of December 31, 2023, the Company had $185.7 million of unrecognized tax benefits including $31.7 million recorded as a reduction of long-term deferred tax assets, $75.0 million recorded as a reduction of other assets associated with refundable withholding taxes previously withheld from licensees in South Korea and $78.9 million recorded to long-term income taxes payable, which are primarily comprised of $77.1 million in income taxes payable related to withholding taxes previously withheld from licensees in South Korea. As a result of recent court rulings in South Korea, the Company has determined that they may be entitled to refund claims for foreign taxes previously withheld from licensees in South Korea. If the Company is successful in recovering the $162.2 million of refundable withholding taxes from South Korea, the refund would result in an offsetting reduction in U.S. foreign tax credits. The Company recognizes that there are numerous risks and uncertainties associated with the ultimate collection of this refund. The Company previously maintained an offsetting reserve for the entire amount of refundable withholding taxes previously withheld in South Korea. During the year ended December 31, 2023, the Company concluded it is more likely than not it will recover withholding taxes withheld during the past five years and accordingly filed a claim in October 2023 for refund of certain refundable withholding taxes and recorded an income taxes receivable of $82.7 million, with an offsetting long-term payable of $72.6 million and a reduction in long-term deferred tax assets of $10.1 million for the reduction in U.S. foreign tax credits. The Company has recorded a receivable for the portion of withholding taxes paid subsequent to the third quarter of 2023 for which it intends to file a future refund claim. The Company has not recorded a receivable for the portion of potentially available refunds for which a claim for refund has not been submitted or for which the Company does not intend to pursue at this time, as the Company does not believe recovery of those taxes would be more likely than not if a refund claim were submitted. The Company continues to evaluate the potential for recovery of these taxes and has therefore established an offsetting reserve for the entire amount of potentially refundable withholding taxes previously withheld in South Korea, for which a claim for refund has not been submitted. As of December 31, 2022, the Company had $164.5 million of unrecognized tax benefits, including $19.6 million recorded as a reduction of long-term deferred tax assets, $143.6 million recorded as a reduction of other assets associated with refundable withholding taxes previously withheld from licensees in South Korea and $1.3 million recorded to long-term income taxes payable. A reconciliation of the beginning and ending amounts of unrecognized income tax benefits for the years ended December 31, 2023, 2022 and 2021 was as follows:
The Company recognizes interest and penalties related to uncertain tax positions as a component of the income tax provision (benefit). At December 31, 2023 and 2022, an immaterial amount of interest and penalties was included in long-term income taxes payable. Rambus files income tax returns for the U.S., California, India and various other state and foreign jurisdictions. The U.S. federal returns are subject to examination from 2017 and forward. The California returns are subject to examination from 2018 and forward. In addition, any research and development credit carryforward or net operating loss carryforward generated in prior years and utilized in these or future years may also be subject to examination. The India returns are under examination by the Indian tax administration for tax years beginning with 2011, except for 2012 through 2015, which were assessed in the Company’s favor, and are subject to examination from 2016 and forward. These examinations may result in proposed adjustments to the income taxes as filed during these periods. Management regularly assesses the likelihood of outcomes resulting from income tax examinations to determine the adequacy of their provision for income taxes and believes their provision for unrecognized tax benefits is adequate. The estimated potential reduction in the Company’s unrecognized tax benefits in the next 12 months would not be material. At December 31, 2023, no other income taxes (state or foreign) have been provided on undistributed earnings of approximately $50.3 million from the Company’s international subsidiaries since these earnings have been, and under current plans will continue to be, indefinitely reinvested outside the United States, with the exception of France. If the non-France earnings were distributed, the Company would incur approximately $3.1 million of foreign withholding taxes and an immaterial amount of U.S. taxes.
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Litigation and Asserted Claims |
12 Months Ended |
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Dec. 31, 2023 | |
| Litigation And Asserted Claims Disclosure [Abstract] | |
| Litigation and Asserted Claims | Litigation and Asserted Claims Rambus is not currently a party to any material pending legal proceeding; however, from time to time, Rambus may become involved in legal proceedings or be subject to claims arising in the ordinary course of its business. Although the results of litigation and claims cannot be predicted with certainty, the Company currently believes that the final outcome of these ordinary course matters will not have a material adverse effect on its business, operating results, financial position or cash flows. Regardless of the outcome, litigation can have an adverse impact on the Company because of defense and settlement costs, diversion of management attention and resources and other factors. The Company records a contingent liability when it is probable that a loss has been incurred and the amount is reasonably estimable in accordance with accounting for contingencies.
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Divestiture |
12 Months Ended |
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Dec. 31, 2023 | |
| Discontinued Operations and Disposal Groups [Abstract] | |
| Divestiture | Divestiture In July 2023, the Company entered into an asset purchase agreement (the “Purchase Agreement”) with Cadence Design Systems, Inc. (the “Purchaser”), pursuant to which the Company agreed to sell certain assets and the Purchaser agreed to assume certain liabilities from the Company, in each case with respect to the Company’s PHY IP group, for $110.0 million in cash, subject to certain adjustments and certain closing conditions (the “Transaction”). The decision to sell this business reflects the evolution of the Company’s core semiconductor business to focus on the development of digital IP and chips, including novel memory solutions for high-performance computing, to support the continued advancement of the data center and artificial intelligence. The Transaction was completed on September 6, 2023 and resulted in net proceeds of approximately $106.3 million, which consisted of the initial selling price of $110.0 million offset by approximately $3.7 million related to certain purchase price adjustments. The Company recognized a net gain on divestiture of the PHY IP group in its Consolidated Statements of Operations of approximately $90.8 million during the year ended December 31, 2023. Transaction costs of approximately $1.4 million were included in the net gain of $90.8 million. The divestiture of the PHY IP group did not represent a strategic shift that would have a major effect on the Company’s consolidated results of operations, and therefore its results of operations were not reported as discontinued operations. Concurrent with the Transaction, the Company also recorded a charge of approximately $10.0 million in the Company’s Consolidated Statements of Operations during the year ended December 31, 2023. The charge was primarily related to the accelerated amortization of software licenses that were not directly part of the PHY IP disposal group.
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Acquisitions (Notes) |
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| Business Combinations [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Acquisitions | Acquisitions There were no acquisitions during the year ended December 31, 2023. 2022 Acquisition Hardent, Inc. On May 20, 2022, (the “Closing Date”), the Company completed its acquisition of Hardent, a leading electronic design company, by acquiring all of its outstanding shares. The Company acquired Hardent for a total consideration of approximately $16.1 million, which consisted of $14.7 million in initial cash consideration paid at the Closing Date, $1.2 million deposited into an escrow account to fund indemnification obligations to be released within 18 months after the Closing Date and $0.2 million deposited into an escrow account to fund other contractual provisions related to certain working capital adjustments. The addition of the technology and expertise from Hardent augments the Company’s CXL memory interconnect initiative. As part of the acquisition, the Company agreed to pay certain Hardent employees approximately $1.2 million in cash over three years following the Closing Date (the “Retention Bonus”), to be paid in three equal installments on each of the dates that were 12 months, 24 months and 36 months following the Closing Date. The Retention Bonus payouts are subject to the condition of continued employment, therefore the Retention Bonus payouts will be treated as compensation and will be expensed ratably over the retention period. As of December 31, 2022, the Company had incurred approximately $1.2 million in external acquisition costs in connection with the transaction, which were expensed as incurred. The fair value of the intangible assets acquired was determined by management primarily by using the multi-period excess earnings method under the income approach. This method reflects the present value of the projected cash flows that are expected to be generated by the existing technologies less charges representing the contribution of other assets to those cash flows. The fair values of the remaining assets acquired and liabilities assumed approximated their carrying values at the Closing Date. The Company performed a valuation of the net assets acquired as of the Closing Date. The total consideration from the acquisition was allocated as of the Closing Date and reflects adjustments made during the measurement period to finalize the purchase price accounting, as follows:
The goodwill arising from the acquisition was primarily attributed to synergies related to the combination of new and complementary technologies of the Company and the assembled workforce of the acquired business. This goodwill was not deductible for tax purposes. The identified intangible assets assumed in the acquisition of Hardent were recognized as follows based upon their estimated fair values as of the acquisition date:
Unaudited Pro Forma Combined Consolidated Financial Information The following pro forma financial information presents the combined results of operations for the Company and Hardent as if the acquisition had occurred on January 1, 2021. The pro forma financial information was prepared for comparative purposes only and does not purport to be indicative of the actual operating results that would have been recorded had the acquisition actually taken place on January 1, 2021, and should not be taken as indicative of future consolidated operating results. Additionally, the pro forma financial results do not include any anticipated synergies or other expected benefits from the acquisition:
The pro forma net loss for 2022 was adjusted to exclude $1.2 million of acquisition-related costs incurred during the year ended December 31, 2023. Consequently, the pro forma net income for 2021 was adjusted to include these costs. 2021 Acquisitions AnalogX Inc. On July 2, 2021 (the “AnalogX Closing Date”), the Company completed its acquisition of AnalogX, a premier interconnect IP company, by acquiring all of its outstanding shares. The Company acquired AnalogX for total consideration of approximately $47.5 million, including certain adjustments for working capital, which consisted of $40.4 million in initial cash consideration at the AnalogX Closing Date and additional deferred payments totaling approximately $7.4 million, initially recorded at its present value of approximately $7.1 million, (the “Deferred Payments”). The Deferred Payments will be paid in cash over three years following the AnalogX Closing Date, in three installments on each of the dates that are 12 months, 24 months and 36 months following the AnalogX Closing Date. A portion of the purchase price, $5.9 million of the consideration, was deposited into an escrow account to fund indemnification obligations and other contractual provisions, to be released 12 months after the AnalogX Closing Date. The addition of the technology and expertise from AnalogX augments the Company’s SerDes offerings and CXL memory interconnect initiative. As part of the acquisition, the Company agreed to pay certain AnalogX employees $3.5 million in cash over three years following the AnalogX Closing Date (the “AnalogX Retention Bonus”), to be paid in three equal installments on each of the dates that are 12 months, 24 months and 36 months following the AnalogX Closing Date. The AnalogX Retention Bonus payouts are subject to the condition of continued employment. Therefore, the AnalogX Retention Bonus payouts will be treated as compensation and will be expensed ratably over the retention period. As of December 31, 2021, the Company had incurred approximately $0.8 million in external acquisition costs in connection with the transaction, which were expensed as incurred. The fair value of the intangible assets acquired was determined by management primarily by using the estimated current replacement cost under the cost approach. The fair values of the remaining assets acquired and liabilities assumed approximated their carrying values at the AnalogX Closing Date. The Company performed a valuation of the net assets acquired as of the AnalogX Closing Date. The total consideration from the business combination was allocated as of the Closing Date and reflects adjustments made through the measurement period to finalize the purchase price accounting, as follows:
The goodwill arising from the acquisition was primarily attributed to synergies related to the combination of new and complementary technologies of the Company and the assembled workforce of the acquired business. Approximately $26.9 million of the goodwill was deductible for tax purposes. The identified intangible assets assumed in the acquisition of AnalogX were recognized as follows based upon their estimated fair values as of the acquisition date:
IPR&D consisted of multiple projects relating to the development of various high-speed SerDes technologies. The projects were expected to be completed within the subsequent three years. In the third quarter of 2023, the Company disposed the $3.8 million related to the AnalogX IPR&D in connection with the divestiture of the Company’s PHY IP group. Refer to Note 20, “Divestiture,” for additional information. PLDA Group On June 16, 2021, the Company announced that it had entered into an agreement to acquire PLDA, a provider of high-speed interconnect solutions. On August 18, 2021 (the “PLDA Closing Date”), the Company completed its acquisition of PLDA by acquiring all of its outstanding shares. Under the terms of the Share Purchase Agreement, the total consideration of approximately $85.6 million was comprised of $67.1 million in closing cash consideration, 0.3 million shares of the Company’s common stock (valued based on the Company’s closing stock price at the PLDA Closing Date, which amounted to approximately $6.9 million) and up to an additional $21.0 million to be paid in shares of common stock, valued at $16.9 million as of the acquisition date (the “fair value of the earn-out liability”), subject to certain revenue targets of the acquired business for the subsequent three years. The fair value of the earn-out liability will be remeasured each quarter, depending on the acquired business’s revenue performance relative to target over the applicable period. The Company classified its liability for the contingent earn-out consideration related to the PLDA acquisition within Level 3 of the fair value hierarchy because the fair value is determined using significant unobservable inputs. A portion of the purchase price, $10.0 million of the consideration, was deposited into an escrow account to fund indemnification obligations and other contractual provisions, to be released 24 months after the PLDA Closing Date. The addition of the technology and expertise from PLDA augments the Company’s digital controller IP and CXL memory interconnect initiative. As part of the acquisition, the Company agreed to pay certain PLDA employees $3.0 million in cash over three years following the PLDA Closing Date (the “PLDA Retention Bonus”), to be paid in three equal installments on each of the dates that were 12 months, 24 months and 36 months following the PLDA Closing Date. The PLDA Retention Bonus payouts are subject to the condition of continued employment. Therefore, the PLDA Retention Bonus payouts will be treated as compensation and expensed ratably over the retention period. As of December 31, 2021, the Company had incurred approximately $1.4 million in external acquisition costs in connection with the transaction, which were expensed as incurred. The fair value of the intangible assets acquired was determined by management primarily by using the multi-period excess earnings method under the income approach. This method reflects the present value of the projected cash flows that are expected to be generated by the existing technologies less charges representing the contribution of other assets to those cash flows. The fair values of the remaining assets acquired and liabilities assumed approximated their carrying values at the PLDA Closing Date. The Company performed a valuation of the net assets acquired as of the PLDA Closing Date. The total consideration from the business combination was allocated as of the Closing Date as follows:
The goodwill arising from the acquisition was primarily attributed to synergies related to the combination of new and complementary technologies of the Company and the assembled workforce of the acquired business. This goodwill was not deductible for tax purposes. The identified intangible assets assumed in the acquisition of PLDA were recognized as follows based upon their estimated fair values as of the acquisition date:
IPR&D consisted of multiple projects relating to the development of PLDA’s PCIe Gen 6 and CXL 3.0 technologies. The projects are expected to be completed within 36 months from the date of acquisition. The acquired IPR&D will not be amortized until completion of the related products which are determined by when the underlying project reaches technological feasibility and commences commercial production. Upon completion, the IPR&D projects will be amortized over their respective useful lives, which are expected to range between three years and five years. Unaudited Pro Forma Combined Consolidated Financial Information The following pro forma financial information presents the combined results of operations for the Company and AnalogX and PLDA as if the acquisitions had occurred on January 1, 2020. The pro forma financial information was prepared for comparative purposes only and does not purport to be indicative of the actual operating results that would have been recorded had the acquisitions actually taken place on January 1, 2020, and should not be taken as indicative of future consolidated operating results. Additionally, the pro forma financial results do not include any anticipated synergies or other expected benefits from the acquisitions:
The pro forma net income for 2021 was adjusted to exclude $2.2 million of acquisition-related costs incurred in 2021.
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| Net income (loss) | $ 333,904 | $ (14,310) | $ 18,334 |
Insider Trading Arrangements |
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| Trading Arrangements, by Individual | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Material Terms of Trading Arrangement | During our last fiscal quarter, the below directors and/or officers, as defined in Rule 16a-1(f), adopted and/or terminated a “Rule 10b5-1 trading arrangement,” as defined in Item 408 of Regulation S-K. The Rule 10b5-1 trading arrangements are each intended to satisfy the affirmative defense in Rule 10b5-1(c)(1).
______________________________________ (1) On December 8, 2023, all 8,365 shares to be sold under the plan had been sold. Therefore the plan originally scheduled to terminate on September 7, 2024, was deemed terminated as of December 8, 2023.
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| Rule 10b5-1 Arrangement Adopted | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Rule 10b5-1 Arrangement Terminated | false | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Luc Seraphin [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Arrangements, by Individual | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Name | Luc Seraphin | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Title | President and Chief Executive Officer | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Rule 10b5-1 Arrangement Adopted | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Adoption Date | November 13, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Termination Date | November 13, 2024 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Arrangement Duration | 366 days | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Aggregate Available | 356,654 | 356,654 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| John Shinn [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Arrangements, by Individual | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Name | John Shinn | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Title | Senior Vice President and General Counsel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Rule 10b5-1 Arrangement Adopted | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Adoption Date | December 7, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Termination Date | December 7, 2024 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Arrangement Duration | 366 days | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Aggregate Available | 42,444 | 42,444 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sean Fan [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Arrangements, by Individual | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Arrangement Duration | 366 days | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Desmond M. Lynch September 2023 Plan [Member] | Desmond M. Lynch [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Arrangements, by Individual | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Name | Desmond M. Lynch | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Title | Senior Vice President, Finance and Chief Financial Officer | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Adoption Date | September 7, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Rule 10b5-1 Arrangement Terminated | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Termination Date | December 8, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Arrangement Duration | 92 days | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Desmond M. Lynch December 2023 Plan [Member] | Desmond M. Lynch [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Arrangements, by Individual | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Name | Desmond M. Lynch | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Title | Senior Vice President, Finance and Chief Financial Officer | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Rule 10b5-1 Arrangement Adopted | true | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Adoption Date | December 11, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Termination Date | December 11, 2024 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Arrangement Duration | 366 days | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Aggregate Available | 7,837 | 7,837 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Summary of Significant Accounting Policies (Policies) |
12 Months Ended |
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Dec. 31, 2023 | |
| Accounting Policies [Abstract] | |
| Financial Statement Presentation | Financial Statement Presentation The accompanying consolidated financial statements include the accounts of Rambus and its wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated on the accompanying consolidated financial statements. Investments in entities with more than 20% ownership by Rambus and in which Rambus has the ability to significantly influence the operations of the investee (but not control) are accounted for using the equity method and are included in other assets.
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| Use of Estimates | Use of Estimates The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates.
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| Revenue Recognition | Revenue Recognition The Company recognizes revenue upon transfer of control of promised goods and services in an amount that reflects the consideration it expects to receive in exchange for those goods and services. Goods and services that are distinct are accounted for as separate performance obligations. Where an arrangement includes multiple performance obligations, the transaction price is allocated to these on a relative standalone selling price basis. The Company has established standalone selling prices for the majority of its distinct offerings - specifically, the same pricing methodology is consistently applied to all licensing arrangements; all services offerings are priced within tightly controlled bands and all contracts that include support and maintenance state a renewal rate or price that is systematically enforced. For certain contracts, the Company utilizes the residual approach to estimate standalone selling prices primarily for service offerings sold to customers at highly variable pricing. The Company’s revenue consists of product, royalty and contract and other revenue. Products primarily consist of memory interface chips sold directly and indirectly to module manufacturers and OEMs worldwide through multiple channels, including its direct sales force and distributors. Royalty revenue consists of patent and technology license royalties. Contract and other revenue consists of software license fees, engineering fees associated with integration of the Company’s technology solutions into its customers’ products and support and maintenance fees. Product Revenue Product revenue is recognized upon shipment of product to customers, net of accruals for estimated sales returns and allowances, and to distributors, net of accruals for price protection and rights of return on products unsold by the distributors. The Company transacts with direct customers primarily pursuant to standard purchase orders for delivery of products and generally allows customers to cancel or change purchase orders within limited notice periods prior to the scheduled shipment date. Royalty Revenue Rambus’ patent and technology licensing arrangements generally range between one year and ten years in duration and generally grant the licensee the right to use applicable portions of the Company’s entire IP portfolio as it evolves over time. These arrangements do not typically grant the licensee the right to terminate for convenience and where such rights exist, termination is prospective, with no refund of fees already paid or cancellation of fees already incurred by the licensee. Patent and technology licensing arrangements result in fixed payments received over time, with guaranteed minimum payments on occasion, variable payments calculated based on the licensee’s sale or use of the IP, or a mix of fixed and variable payments. •For fixed-fee arrangements (including arrangements that include minimum guaranteed amounts), the Company recognizes revenue upon control over the underlying IP use right transferring to the licensee, net of the effect of significant financing components calculated using customer-specific, risk-adjusted lending rates typically ranging between 5% and 10%, with the related interest income recognized over time on an effective rate basis. Where a licensee has the contractual right to terminate a fixed-fee arrangement for convenience without any substantive penalty payable upon such termination, the Company recognizes revenue for the duration of the contract in which the parties have present enforceable rights and obligations. •For variable arrangements, the Company recognizes revenue based on an estimate of the licensee’s sale or usage of the IP during the period the licensee’s sale or usage occur, typically quarterly, with a true-up recorded, if required, when the Company receives the actual royalty report from the licensee. •The Company recognizes license renewal revenue commencing with the start of the renewal period. Contract and Other Revenue Contract and other revenue consists of software license fees and engineering fees associated with integration of the Company’s technology solutions into its customers’ products, and support and maintenance. An initial software arrangement may consist of a term-based or perpetual license, significant software customization services and support and maintenance services that include post-implementation customer support and the right to unspecified software updates and enhancements on a when and if available basis. The Company recognizes license and customization services revenue at a point in time when final delivery is made or based on an over time model, depending on the nature and amount of customization. For the over time model, the Company recognizes revenue over time by measuring the progress toward complete satisfaction of that performance obligation. The Company measures progress using an input method. License and customization services revenue recognized over time, which is reported as part of contract and other revenue, was approximately $6.1 million for the year ended December 31, 2023. Due to the nature of the work performed in these arrangements, the estimation of the over time model may involve judgment. The key factor reviewed by management to estimate costs to complete each contract is the estimated man-months necessary to complete the project. The Company recognizes support and maintenance revenue over time. Significant Judgments The only significant judgment required in determining the amount and timing of revenue from the Company’s contracts with customers is determining the estimated man-months necessary for completing development and customization services. The Company has adequate tools and controls in place, and substantial experience and expertise in timely and accurately tracking man-months incurred in completing customization and other professional services, and quantifying significant changes in estimates. Key estimates used in recognizing revenue predominantly consist of the following: •For contract revenue where the Company recognizes revenue over time, the key factor reviewed by management to estimate costs to complete each contract is the estimated man-months necessary to complete the project. •For fixed-fee arrangements in which cash is being received over a period exceeding one year, the Company calculates a customer-specific lending rate using a Daily Treasury Yield Curve Rate that changes depending on the date on which the licensing arrangement was entered into and the term (in years) of the arrangement, and takes into consideration a licensee-specific risk profile determined based on a review of the licensee’s “Full Company View” Dun & Bradstreet report obtained on the date the licensing arrangement was signed by the parties, with a risk premium being added to the Daily Treasury Yield Curve Rate considering the overall business risk, financing strength and risk indicators, as listed. •The Company recognizes revenue on variable fee licensing arrangements on the basis of sales and usage which the Company is required to estimate prior to receiving the final related reports from its customers. Contract Balances Timing of revenue recognition may differ from the timing of invoicing to the Company’s customers. The Company records contract assets when revenue is recognized prior to invoicing, and a contract liability when revenue is recognized subsequent to invoicing. The contract assets are transferred to receivables when the billing occurs.
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| Cost of Revenue | Cost of Revenue Cost of revenue includes cost of professional services, materials, including cost of wafers processed by third-party foundries, cost associated with packaging and assembly, test and shipping, cost of personnel, including stock-based compensation, and equipment associated with manufacturing support, logistics and quality assurance, warranty cost, amortization of existing technology, write-down of inventories, amortization of production mask costs, overhead and an allocated portion of occupancy costs.
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| Leases | Leases The Company leases office space, domestically and internationally, under operating leases. The Company’s leases have remaining lease terms generally between one year and seven years. Operating leases are included in operating lease right-of-use (“ROU”) assets, operating lease liabilities and long-term operating lease liabilities in the Company’s Consolidated Balance Sheets. The Company does not have any finance leases. The Company determines if an arrangement is a lease, or contains a lease, at inception. The Company assesses all relevant facts and circumstances in making the determination of the existence of a lease. For leases with terms greater than 12 months, the Company records the related asset and obligation at the present value of lease payments over the term. The Company uses its incremental borrowing rate based on the information available at the commencement date in determining the present value of lease payments, and uses the implicit rate when readily determinable. Many of the Company’s leases include rental escalation clauses, renewal options and/or termination options that are factored into the determination of lease payments when appropriate. Leases with an initial term of 12 months or less are not recorded on the balance sheet, and the Company does not separate non-lease components from lease components. Operating lease costs are included in research and development and selling, general and administrative costs in the Company’s Consolidated Statements of Operations.
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| Goodwill and Intangible Assets | Goodwill Goodwill represents the excess of the purchase price over the fair value of the net tangible and identifiable intangible assets acquired in each business combination. Goodwill is not subject to amortization, but is subject to at least an annual assessment for impairment. The Company performs its impairment analysis of goodwill on an annual basis during the fourth quarter of the year unless conditions arise that warrant a more frequent evaluation. When goodwill is assessed for impairment, the Company has the option to perform an assessment of qualitative factors of impairment (optional assessment) prior to necessitating a quantitative impairment test. Should the optional assessment be used for any given year, qualitative factors to consider for a reporting unit include: cost factors; financial performance; legal, regulatory, contractual, political, business, or other factors; entity specific factors; industry and market considerations; macroeconomic conditions; and other relevant events and factors affecting the reporting unit. If the Company determines in the qualitative assessment that it is more likely than not that the fair value of the reporting unit is less than its carrying value, a quantitative test is then performed. Otherwise, no further testing is required. For a reporting unit tested using a quantitative approach, the Company compares the fair value of the reporting unit with the carrying amount of the reporting unit, including goodwill. The fair value of the reporting unit is estimated using an income approach. Under the income approach, the Company measures fair value of the reporting unit based on a projected cash flow method using a discount rate determined by its management which is commensurate with the risk inherent in its current business model. The Company’s discounted cash flow projections are based on annual financial forecasts developed internally by management for use in managing its business. If the fair value of the reporting unit exceeds its carrying value, goodwill is not impaired and no further testing is required. If the fair value of the reporting unit is less than the carrying value, then the amount of goodwill impairment will be the amount by which the reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. The Company performed its annual goodwill impairment analysis as of December 31, 2023 and determined that there was no impairment of its goodwill. For the years ended December 31, 2022 and 2021, the Company did not recognize any goodwill impairment charges. Intangible Assets Intangible assets are comprised of existing technology, customer contracts and contractual relationships, and other definite-lived and indefinite-lived intangible assets. Identifiable intangible assets resulting from the acquisitions of entities accounted for using the purchase method of accounting are estimated by management based on the fair value of assets received. Identifiable definite-lived intangible assets are being amortized over the period of estimated benefit using the straight-line method and estimated useful lives ranging from six months to years. Acquired indefinite-lived intangible assets related to the Company’s in-process research and development (“IPR&D”) are capitalized and subject to impairment testing until completion or abandonment of the projects. Upon successful completion of each project, the Company makes a separate determination of the useful life of the acquired indefinite-lived intangible assets and the related amortization is recorded as an expense over the estimated useful life of the specific projects. Indefinite-lived intangible assets are subject to at least an annual assessment for impairment, applying a fair-value based test. The Company first performs a qualitative assessment to determine whether it is more likely than not (more than 50 percent likelihood) that the indefinite-lived intangible assets are impaired. If after assessing the totality of events and circumstances and their potential effect on significant inputs to the fair value determination, the Company determines that it is more likely than not that the indefinite-lived intangible assets are impaired, then the Company performs a quantitative impairment test by comparing the fair value of the intangible assets with its carrying amount. The Company measures fair value of the indefinite-lived intangible assets under the income approach based on a projected cash flow method using a discount rate determined by its management which is commensurate with the risk inherent in its current business model. The Company’s discounted cash flow projections are based on its annual financial forecasts developed internally by management for use in managing its business. If the fair value of the indefinite-lived intangible assets exceeds its carrying value, the indefinite-lived intangible assets are not impaired and no further testing is required. If the implied fair value of the indefinite-lived intangible assets is less than the carrying value, the difference is recorded as an impairment loss.
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| Inventories | Inventories Inventories are stated at the lower of cost or net realizable value. Cost is computed using standard cost, which approximates actual cost, on a first-in, first-out basis. Inventories are reduced for write-downs based on periodic reviews for evidence of slow-moving or obsolete parts. The write-down is based on comparison between inventory on hand and estimated future sales for each specific product. Once written down, inventory write-downs are not reversed until the inventory is sold or scrapped. Inventory write-downs are also established when conditions indicate that the net realizable value is less than cost due to physical deterioration, obsolescence, changes in price level or other causes.
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| Property, Plant and Equipment | Property, Plant and Equipment Property, plant and equipment include computer software, computer equipment, leasehold improvements, machinery, and furniture and fixtures. Computer software, computer equipment, machinery, and furniture and fixtures are stated at cost and generally depreciated on a straight-line basis over an estimated useful life of three years, three years, seven years and three years, respectively. Refer to Note 11, “Balance Sheet Details,” for additional information. Leasehold improvements are amortized on a straight-line basis over the shorter of their estimated useful lives or the remaining terms of the leases. Upon disposal, assets and related accumulated depreciation are removed from the accounts and the related gain or loss is included in the results from operations.
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| Definite-Lived Asset Impairment | Definite-Lived Asset Impairment The Company evaluates definite-lived assets (including property, plant and equipment and intangible assets) for impairment whenever events or changes in circumstances indicate the carrying value of an asset group may not be recoverable. The carrying value is not recoverable if it exceeds the undiscounted cash flows resulting from the use of the asset group and its eventual disposition. The Company’s estimates of future cash flows attributable to its asset groups require significant judgment based on its historical and anticipated results and are subject to many factors. Factors that the Company considers important which could trigger an impairment review include significant negative industry or economic trends, significant loss of clients and significant changes in the manner of its use of the acquired assets or the strategy for its overall business. When the Company determines that the carrying value of the asset groups may not be recoverable based upon the existence of one or more of the above indicators of impairment, the Company measures the potential impairment based on a projected discounted cash flow method using a discount rate determined by the Company to be commensurate with the risk inherent in the Company’s current business model. An impairment loss is recognized only if the carrying amount of the asset group is not recoverable and exceeds its fair value. The impairment charge is recorded to reduce the pre-impairment carrying amount of the assets based on the relative carrying amount of those assets, though not to reduce the carrying amount of an asset below its fair value. Different assumptions and judgments could materially affect the calculation of the fair value of the assets. During 2023, 2022 and 2021, the Company did not recognize any impairment of its definite-lived and indefinite-lived assets.
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| Income Taxes | Income Taxes Income taxes are accounted for using an asset and liability approach, which requires the recognition of deferred tax assets and liabilities for expected future tax events that have been recognized differently in the Company’s consolidated financial statements and tax returns. The measurement of current and deferred tax assets and liabilities is based on provisions of the enacted tax law and the effects of future changes in tax laws or rates are not anticipated. A valuation allowance is established when necessary to reduce deferred tax assets to amounts expected to be realized based on available evidence. In addition, the calculation of the Company’s tax liabilities involves dealing with uncertainties in the application of complex tax regulations. As a result, the Company reports a liability for unrecognized tax benefits resulting from uncertain tax positions taken or expected to be taken in its tax return. The Company considers many factors when evaluating and estimating its tax positions and tax benefits, which may require periodic adjustments and which may not accurately anticipate actual outcomes.
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| Stock-Based Compensation and Equity Incentive Plans | Stock-Based Compensation and Equity Incentive Plans The Company maintained stock plans covering a broad range of equity grants including stock options, nonvested equity stock and equity stock units and performance-based instruments. In addition, the Company sponsors an Employee Stock Purchase Plan (“ESPP”), whereby eligible employees are entitled to purchase common stock semi-annually, by means of limited payroll deductions, at a 15% discount from the fair market value of the common stock as of specific dates. The Company determines compensation expense associated with restricted stock units based on the fair value of its common stock on the date of grant. The Company determines compensation expense associated with stock options based on the estimated grant-date fair value method using the Black-Scholes Merton (“BSM”) valuation model. The Company generally recognizes compensation expense using a straight-line amortization method over the respective vesting period for awards that are ultimately expected to vest. Stock-based compensation expense for the years ended December 31, 2023, 2022 and 2021 has been reduced for estimated forfeitures. When estimating forfeitures, the Company considers voluntary termination behaviors, as well as trends of actual option forfeitures.
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| Cash and Cash Equivalents | Cash and Cash Equivalents Cash equivalents are investments with original maturity of three months or less at the date of purchase. The Company maintains its cash balances with high-quality financial institutions. Cash equivalents are invested in highly rated, liquid money market securities, time deposits and certain U.S. government sponsored obligations.
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| Marketable Securities | Marketable Securities Rambus invests its excess cash and cash equivalents primarily in U.S. government-sponsored obligations, corporate bonds, commercial paper and notes, time deposits and money market funds that mature within three years. Available-for-sale securities are carried at fair value, based on quoted market prices, with the unrealized gains or losses reported, net of tax, in stockholders’ equity as part of accumulated other comprehensive income (loss). The amortized cost of debt securities is adjusted for amortization of premiums and accretion of discounts to maturity, both of which are included in interest and other income, net. Realized gains and losses are recorded on the specific identification method and are included in interest and other income, net. The Company reviews its investments in marketable securities for possible other than temporary impairments on a regular basis. If any loss on investment is believed to be a credit loss, a charge will be recognized in operations. In evaluating whether a credit loss on a debt security has occurred, the Company considers the following factors: 1) the Company’s intent to sell the security, 2) if the Company intends to hold the security, whether or not it is more likely than not that the Company will be required to sell the security before recovery of the security’s amortized cost basis and 3) even if the Company intends to hold the security, whether or not the Company expects the security to recover the entire amortized cost basis. Due to the high credit quality and short-term nature of the Company’s investments, there have been no material credit losses recorded to date. The classification of funds between short-term and long-term is based on whether the securities are available for use in operations or other purposes.
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| Fair Value of Financial Instruments | Fair Value of Financial Instruments The fair value measurement statement defines fair value as the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date, and requires disclosure that establishes a framework for measuring fair value and expands disclosure about fair value measurements. The statement requires that fair value measurement be classified and disclosed in one of the following three categories: Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. The Company uses unadjusted quotes to determine fair value. The financial assets in Level 1 include money market funds. Level 2: Quoted prices in markets that are not active, or inputs which are observable, either directly or indirectly, for substantially the full term of the asset or liability. The Company uses observable pricing inputs including benchmark yields, reported trades and broker/dealer quotes. The financial assets in Level 2 include U.S. government bonds and notes, and corporate bonds, commercial paper and notes. Level 3: Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e., supported by little or no market activity). When determining fair value, the Company considers the principal or most advantageous market in which the Company would transact, and the Company considers assumptions that market participants would use when pricing the asset or liability, such as inherent risk, transfer restrictions and risk of non-performance. The Company does not have any financial assets or liabilities in Level 3 as of December 31, 2023 and 2022, except for the Company’s liability for the earn-out consideration related to the PLDA acquisition, which is recorded within other long-term liabilities. The Company has classified this liability within Level 3 of the fair value hierarchy because the fair value is determined using significant unobservable inputs. Refer to Note 9, “Fair Value of Financial Instruments and Note 21, “Acquisitions,” for additional information. The carrying value of cash equivalents, accounts receivable and accounts payable approximate their fair values due to their relatively short maturities as of December 31, 2023 and 2022. The Company’s financial instruments are measured and recorded at fair value, except for equity method investments and convertible notes. Marketable securities are comprised of available-for-sale securities that are reported at fair value with the related unrealized gains and losses included in accumulated other comprehensive income (loss), a component of stockholders’ equity, net of tax. Fair value of the marketable securities is determined based on quoted market prices. The fair value of the Company’s convertible notes fluctuated with interest rates and with the market price of the common stock, but did not affect the carrying value of the debt on the balance sheet. The Company’s non-financial assets, such as goodwill, intangible assets and property, plant and equipment, are measured at fair value when there is an indicator of impairment and recorded at fair value only when an impairment charge is recognized. The Company’s equity method investments were initially recognized at cost, and the carrying amount was increased or decreased to recognize the Company’s share of the profit or loss of the investee after the date of acquisition. The Company’s share of the investee’s profit or loss was recognized in the Company’s Consolidated Statements of Operations. Distributions received from an investee reduced the carrying amount of the investment.
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| Research and Development | Research and Development Costs incurred in research and development, which include engineering expenses, such as salaries and related benefits, stock-based compensation, depreciation, professional services and overhead expenses related to the general development of the Company’s products, are expensed as incurred. Software development costs are capitalized beginning when a product’s technological feasibility has been established and ending when a product is available for general release to customers. The Company has not capitalized any software development costs in the period between establishing technological feasibility and general customer release since the period is relatively short and as such, these costs have not been material.
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| Computation of Earnings (Loss) Per Share | Computation of Earnings (Loss) Per Share Basic earnings (loss) per share is calculated by dividing the net income (loss) by the weighted-average number of common shares outstanding during the period. Diluted earnings (loss) per share is calculated by dividing the earnings (loss) by the weighted-average number of common shares and potentially dilutive securities outstanding during the period. Potentially dilutive common shares consist of incremental common shares issuable upon exercise of stock options, employee stock purchases, and restricted stock and restricted stock units, and shares issuable upon the conversion of convertible notes. The dilutive effect of outstanding shares is reflected in diluted earnings per share by application of the treasury stock method, or the if-converted method for the in-the-money conversion benefit feature of the 2023 Notes. This method includes consideration of the amounts to be paid by the employees, the amount of excess tax benefits that would be recognized in equity if the instrument was exercised and the amount of unrecognized stock-based compensation related to future services. No potential dilutive common shares are included in the computation of any diluted per share amount when a net loss is reported.
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| Comprehensive Income (Loss) | Comprehensive Income (Loss) Comprehensive income (loss) is defined as the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner sources, including foreign currency translation adjustments and unrealized gains and losses on marketable securities. Other comprehensive income (loss), net of tax, is presented in the Consolidated Statements of Comprehensive Income (Loss).
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| Credit Concentration | Credit Concentration As of December 31, 2023 and 2022, the Company’s cash, cash equivalents and marketable securities were invested with various financial institutions in the form of corporate bonds, commercial paper and notes, money market funds, U.S. Treasuries and U.S. Government Agencies. The Company’s exposure to market risk for changes in interest rates relates primarily to its investment portfolio. The Company places its investments with high-credit issuers and, by investment policy, attempts to limit the amount of credit exposure to any one issuer. As stated in the Company’s investment policy, it will ensure the safety and preservation of the Company’s invested funds by limiting default risk and market risk. The Company has no investments denominated in foreign country currencies and therefore is not subject to foreign exchange risk from these assets. The Company holds cash, cash equivalents and marketable securities in excess of federally insured limits. The Company mitigates default risk by investing in high credit quality securities and by positioning its portfolio to respond appropriately to a significant reduction in a credit rating of any investment issuer or guarantor. The portfolio includes only marketable securities with active secondary or resale markets to enable portfolio liquidity. The Company’s accounts receivable are derived from revenue earned from customers located in the U.S. and internationally. Refer to Note 7, “Segments and Major Customers,” for additional information. The Company’s unbilled receivables are collected from customers located in the U.S. and internationally. Refer to Note 4, “Revenue Recognition,” for additional information.
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| Derivative Instruments and Hedging Activities | Derivative Instruments and Hedging Activities The Company has on occasion, entered into foreign currency forward contracts (the “Contracts”) to manage the Company’s exposure related to certain foreign currency denominated monetary assets (the “Hedging Program”) and to minimize the related impact of foreign currency fluctuations on the Company’s earnings. The hedged monetary assets primarily consisted of certain euro-denominated cash and accounts receivable balances. The Contracts mitigate the Company’s foreign currency exposure when the Contracts are settled at their maturity by generally offsetting the gains and losses generated by the re-measurement of the underlying monetary assets. The Contracts are typically entered into at the end of a month, with an approximately one month duration at inception. Due to the short duration of these Contracts, their fair value has been deemed immaterial. As the Contracts were considered derivative instruments that were not designated and did not qualify as hedging instruments, any gains and losses resulting from changes in their fair value were recorded to interest income and other income (expense), net in the Company’s Consolidated Statements of Operations. The Company does not use its Hedging Program for speculative or trading purposes.
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| Foreign Currency Translation and Re-Measurement | Foreign Currency Translation and Re-Measurement The Company translates the assets and liabilities of its non-U.S. dollar functional currency subsidiaries into U.S. dollars using exchange rates in effect at the end of each period. Revenue and expenses for these subsidiaries are translated using rates that approximate those in effect during the period. Gains and losses from these translations are recognized in foreign currency translation included in accumulated other comprehensive gain (loss) in the Company’s Consolidated Statements of Stockholders’ Equity. The Company’s subsidiaries that use the U.S. dollar as their functional currency re-measure monetary assets and liabilities at exchange rates in effect at the end of each period, and inventories, property and non-monetary assets and liabilities at historical rates. Additionally, foreign currency transaction gains and losses are included in interest income and other (income) expense, net, in the Company’s Consolidated Statements of Operations and were not material in the periods presented.
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| Business Combinations | Business Combinations The Company accounts for acquisitions of businesses using the purchase method of accounting, which requires the Company to recognize separately from goodwill the assets acquired and the liabilities assumed at their acquisition date fair values. While the Company uses its best estimates and assumptions to accurately value assets acquired and liabilities assumed at the acquisition date, as well as contingent consideration, where applicable, the estimates are inherently uncertain and subject to refinement. Upon the conclusion of the measurement period or final determination of the values of assets acquired or liabilities assumed, whichever comes first, any subsequent adjustments are recorded in the Company’s Consolidated Statements of Operations. Accounting for business combinations requires management to make significant estimates and assumptions, especially at the acquisition date including the Company’s estimates for intangible assets, contractual obligations assumed and pre-acquisition contingencies where applicable. Although the Company believes the assumptions and estimates made in the past have been reasonable and appropriate, they are based in part on historical experience and information obtained from the management of the acquired companies and are inherently uncertain. On May 20, 2022, the Company completed the acquisition of Hardent, Inc. and applied judgment in estimating the fair value of the intangible assets from the acquisition. This involved the use of assumptions related to revenue growth rates and discount rates for the existing technology acquired, and the use of assumptions related to cost of labor to recreate the intangible assets for the customer contracts and contract relationships acquired. Unanticipated events and circumstances may occur that may affect the accuracy or validity of such assumptions, estimates, or actual results.
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| Litigation | Litigation The Company may be involved in certain legal proceedings. Based upon consultation with outside counsel handling its defense in these matters and an analysis of potential results, if the Company believes that a loss arising from such matters is probable and can be reasonably estimated, the Company records the estimated liability in its consolidated financial statements. If only a range of estimated losses can be determined, the Company records an amount within the range that, in its judgment, reflects the most likely outcome; if none of the estimates within that range is a better estimate than any other amount, the Company records the low end of the range. Any such accrual would be charged to expense in the appropriate period. The Company recognizes litigation expenses in the period in which the litigation services were provided.
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Revenue Recognition (Tables) |
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| Contract balances | The Company’s contract balances were as follows:
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Earnings (Loss) Per Share (Tables) |
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| Earnings Per Share [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Computation of basic and diluted income (loss) per share | The following table sets forth the computation of basic and diluted net income (loss) per share:
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| Schedule of antidilutive securities excluded from computation of earnings per share | The following potentially dilutive securities were excluded from the calculation of diluted net loss per share attributable to the Company’s common stockholders for the year ended December 31, 2022 because the impact of including them would have been anti-dilutive (in thousands):
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Intangible Assets and Goodwill (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Goodwill and Intangible Assets Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of changes in carrying amount of goodwill | The following tables present goodwill information for the years ended December 31, 2023 and December 31, 2022:
______________________________________ (1) In September 2023, the Company divested its PHY IP group, which resulted in the Company recognizing a decrease in goodwill based on the relative fair value of the Company’s single reporting unit in proportion to the fair value of the divested PHY IP group. Refer to Note 20, “Divestiture,” for additional information.
______________________________________ (1) In May 2022, the Company acquired Hardent, Inc. (“Hardent”), which resulted in the Company recognizing additional goodwill. Refer to Note 21, “Acquisitions,” for additional information. (2) The adjustment to goodwill primarily includes a correction of an immaterial error related to an understatement in other current liabilities that originated from the acquisition of AnalogX Inc. (“AnalogX”) in 2021 and working capital adjustments from the acquisition of Hardent within the measurement period of one year. (3) Effect of exchange rates relates to foreign currency translation adjustments for the period.
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| Components of intangible assets | The components of the Company’s intangible assets as of December 31, 2023 and December 31, 2022 were as follows:
______________________________________ (1) In September 2023, the Company disposed of approximately $7.4 million of net intangible assets (including $3.8 million of IPR&D) in connection with the divestiture of the Company’s PHY IP group. Refer to Note 20, “Divestiture,” for additional information.
______________________________________ (1) During the year ended December 31, 2022, the Company acquired certain intangible assets for $3.0 million in cash. The assets were classified as existing technology and are being amortized over their expected useful life of five years. During the year ended December 31, 2022, the amortization for the acquired assets was not material. (2) In May 2022, the Company acquired Hardent, which resulted in the Company recognizing additional intangible assets. Refer to Note 21, “Acquisitions,” for additional information.
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| Estimated future amortization expense of intangible assets | The estimated future amortization expense of intangible assets as of December 31, 2023 was as follows (in thousands):
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Segment Information (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Concentration risk | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Revenue from external customer by geographic regions | Revenue from customers in the geographic regions based on the location of contracting parties was as follows:
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| Accounts receivable | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Concentration risk | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of customer accounts representing 10% or more than 10% of total balance | Accounts receivable from the Company’s major customers representing 10% or more of total accounts receivable at December 31, 2023 and 2022, respectively, was as follows:
_________________________________________ * Customer accounted for less than 10% of total accounts receivable in the period.
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| Revenue | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Concentration risk | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of customer accounts representing 10% or more than 10% of total balance | Revenue from the Company’s major customers representing 10% or more of total revenue for the years ended December 31, 2023, 2022 and 2021, respectively, was as follows:
_________________________________________ * Customer accounted for less than 10% of total revenue in the period.
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Marketable Securities (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Securities, Available-for-Sale [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash equivalents and marketable securities classified as available-for-sale | Total cash, cash equivalents and marketable securities are summarized as follows:
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| Available-for-sale securities reported at fair value | Available-for-sale securities are reported at fair value on the balance sheets and were classified along with cash as follows:
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| Estimated fair value of cash equivalents and marketable securities classified by date of contractual maturity and the length of time that the securities have been in a continuous unrealized loss position | The estimated fair value and gross unrealized losses of cash equivalents and marketable securities classified by the length of time that the securities have been in a continuous unrealized loss position at December 31, 2023 and 2022 are as follows:
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| Contractual maturities of cash equivalents (excluding money market funds which have no maturity) and marketable securities | The contractual maturities of cash equivalents (excluding money market funds which have no maturity) and marketable securities are summarized as follows:
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Fair Value of Financial Instruments (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary of the valuation of cash equivalents and marketable securities by pricing levels | The following table presents the financial instruments and liabilities that are carried at fair value and summarizes their valuation by the respective pricing levels detailed in Note 2, “Summary of Significant Accounting Policies,” as of December 31, 2023 and 2022:
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| Fair value, liabilities measured on recurring basis, unobservable input reconciliation | The following table presents additional information about liabilities measured at fair value for which the Company utilizes Level 3 inputs to determine fair value, as of December 31, 2023 and 2022:
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| Financial instruments not carried at fair value but requiring fair value disclosure | The following table presents the financial instruments that are not carried at fair value but require fair value disclosure as of 2022:
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Leases (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Leases [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Lessee, operating lease liabilities, maturities and undiscounted cash flows | The table below reconciles the undiscounted cash flows for the first five years and total of the remaining years to the operating lease liabilities recorded in the Consolidated Balance Sheet as of December 31, 2023 (in thousands):
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Balance Sheet Details (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Balance Sheet Related Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Inventory | Inventories consisted of the following:
(1) As of December 31, 2023 and 2022, the Company had inventory reserve balances of approximately $6.0 million and $1.3 million included in the Consolidated Balance Sheets, respectively.
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| Components of property, plant and equipment, net | Property, plant and equipment, net is comprised of the following:
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| Schedule of accumulated other comprehensive income (loss) | Accumulated other comprehensive loss is comprised of the following:
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| Other Current Liabilities | Other current liabilities are comprised of the following:
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Convertible Notes (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of convertible notes | The Company’s convertible notes are shown in the following table:
(1) As of December 31, 2023, none of the 2023 Notes remained outstanding.
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| Schedule of interest expense on notes | Interest expense related to the convertible notes for the years ended December 31, 2022 and 2021 was as follows:
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Commitments and Contingencies (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of material contractual obligations | As of December 31, 2023, the Company’s material contractual obligations were as follows:
______________________________________ (1) The above table does not reflect possible payments in connection with unrecognized tax benefits of approximately $110.7 million, including $31.7 million recorded as a reduction of long-term deferred tax assets and $78.9 million in long-term income taxes payable, as of December 31, 2023. As noted below in Note 18, “Income Taxes,” although it is possible that some of the unrecognized tax benefits could be settled within the next 12 months, the Company cannot reasonably estimate the timing of the outcome at this time. (2) For the Company’s lease commitments as of December 31, 2023, refer to Note 10, “Leases.” (3) The Company has commitments with various software vendors for agreements generally having terms longer than one year. As of December 31, 2023, approximately $14.6 million of the fair value of the liability was included in other current liabilities and $8.0 million was included in other long-term liabilities, in the accompanying Consolidated Balance Sheet. (4) In connection with the acquisitions of Hardent in the second quarter of 2022 and PLDA in the third quarter of 2021, the Company is obligated to pay retention bonuses to certain employees subject to certain eligibility and acceleration provisions, including the condition of employment. (5) In connection with the acquisition of AnalogX in the third quarter of 2021, the Company was obligated to pay retention bonuses to certain employees subject to certain eligibility and acceleration provisions, including the condition of employment. In September 2023, the Company divested its PHY IP group, which included AnalogX and resulted in the Company recognizing an immaterial decrease related to the remaining AnalogX acquisition retention bonus liability. Refer to Note 20, “Divestiture,” for additional information.
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Equity Incentive Plans and Stock-Based Compensation (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Share-Based Payment Arrangement [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of shares available for grant | A summary of shares available for grant under the Company’s plans is as follows:
______________________________________ (1) For purposes of determining the number of shares available for grant under the 2015 Plan against the maximum number of shares authorized, each restricted stock unit granted prior to April 27, 2023 reduces the number of shares available for grant by 1.5 shares and each restricted stock unit forfeited increases shares available for grant by 1.5 shares. Each restricted stock unit granted on or after April 27, 2023 reduces the number of shares available for grant by 1.0 shares and each restricted stock unit forfeited increases shares available for grant by 1.0 shares. (2) Amount includes approximately 0.4 million shares that have been reserved for potential future issuance related to certain performance unit awards granted in 2021 and discussed under the section titled “Nonvested Equity Stock and Stock Units” below. (3) Amount includes approximately 0.6 million shares that have been reserved for potential future issuance related to certain performance unit awards granted in 2022 and discussed under the section titled “Nonvested Equity Stock and Stock Units” below. (4) On April 27, 2023, the Company’s stockholders approved these additional shares to be reserved for issuance under the 2015 Plan. (5) Amount includes approximately 0.2 million shares that have been reserved for potential future issuance related to certain performance unit awards granted in 2023 and discussed under the section titled “Nonvested Equity Stock and Stock Units” below.
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| Schedule of stock option activity | The following table summarizes stock option activity under the Company’s equity incentive plans for the years ended December 31, 2023, 2022 and 2021 and information regarding stock options outstanding, exercisable, and vested and expected to vest as of December 31, 2023:
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| Weighted-average assumptions for employee stock purchase plan |
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| Schedule of nonvested equity stock and stock units activity | The following table reflects the activity related to nonvested equity stock and stock units for the years ended December 31, 2023, 2022 and 2021:
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Income Taxes (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Income Tax Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of income (loss) before income tax | Income (loss) before taxes consisted of the following:
|
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| Components of provision for (benefit from) income taxes | The provision for (benefit from) income taxes was comprised of:
|
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| Schedule of effective income tax rate reconciliation | The differences between the Company’s effective tax rate and the U.S. federal statutory regular tax rate were as follows:
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Components of the net deferred tax assets (liabilities) | The components of the net deferred tax assets (liabilities) were as follows:
|
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| Summary of valuation allowance | The following table presents the tax valuation allowance information for the years ended December 31, 2023, 2022 and 2021:
______________________________________ * Amounts not charged to operations are charged to other comprehensive income or retained earnings.
|
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| Schedule of reconciliation of the beginning and ending amounts of unrecognized tax benefits | A reconciliation of the beginning and ending amounts of unrecognized income tax benefits for the years ended December 31, 2023, 2022 and 2021 was as follows:
|
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Acquisitions (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Hardent, Inc. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Business acquisition | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of recognized identified assets acquired and liabilities assumed | The total consideration from the acquisition was allocated as of the Closing Date and reflects adjustments made during the measurement period to finalize the purchase price accounting, as follows:
|
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| Schedule of finite-lived intangible assets acquired as part of business combination | The identified intangible assets assumed in the acquisition of Hardent were recognized as follows based upon their estimated fair values as of the acquisition date:
|
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| Business acquisition, pro forma information | Additionally, the pro forma financial results do not include any anticipated synergies or other expected benefits from the acquisition:
|
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| AnalogX, Inc. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Business acquisition | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of recognized identified assets acquired and liabilities assumed | The total consideration from the business combination was allocated as of the Closing Date and reflects adjustments made through the measurement period to finalize the purchase price accounting, as follows:
|
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| Schedule of finite-lived and indefinite-lived intangible assets acquired as part of business combination | The identified intangible assets assumed in the acquisition of AnalogX were recognized as follows based upon their estimated fair values as of the acquisition date:
|
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| PLDA Group | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Business acquisition | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of recognized identified assets acquired and liabilities assumed | The total consideration from the business combination was allocated as of the Closing Date as follows:
|
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| Schedule of finite-lived and indefinite-lived intangible assets acquired as part of business combination | The identified intangible assets assumed in the acquisition of PLDA were recognized as follows based upon their estimated fair values as of the acquisition date:
|
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| AnalogX, Inc and PLDA Group | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Business acquisition | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Business acquisition, pro forma information | Additionally, the pro forma financial results do not include any anticipated synergies or other expected benefits from the acquisitions:
|
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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Revenue | $ 461,117 | $ 454,793 | $ 328,304 |
| Minimum | |||
| License agreement, term of agreement | 1 year | ||
| Long-duration contracts, assumptions by product and guarantee, discount rate | 5.00% | ||
| Maximum | |||
| License agreement, term of agreement | 10 years | ||
| Long-duration contracts, assumptions by product and guarantee, discount rate | 10.00% | ||
| Percentage of completion | |||
| Revenue | $ 6,100 | ||
Summary of Significant Accounting Policies (Details 2) |
Dec. 31, 2023 |
|---|---|
| Minimum | |
| Lessee, Lease, Description | |
| Lessee, operating lease, remaining lease term | 1 year |
| Maximum | |
| Lessee, Lease, Description | |
| Lessee, operating lease, remaining lease term | 7 years |
Summary of Significant Accounting Policies (Details 3) |
Dec. 31, 2023 |
|---|---|
| Minimum | |
| Components of intangible assets | |
| Useful life (in years) | 6 months |
| Maximum | |
| Components of intangible assets | |
| Useful life (in years) | 10 years |
Summary of Significant Accounting Policies (Details 4) |
Dec. 31, 2023 |
|---|---|
| Computer software | |
| Property, plant and equipment | |
| Property, plant and equipment, estimated useful life (in years) | 3 years |
| Computer equipment | |
| Property, plant and equipment | |
| Property, plant and equipment, estimated useful life (in years) | 3 years |
| Machinery | |
| Property, plant and equipment | |
| Property, plant and equipment, estimated useful life (in years) | 7 years |
| Furniture and fixtures | |
| Property, plant and equipment | |
| Property, plant and equipment, estimated useful life (in years) | 3 years |
Summary of Significant Accounting Policies (Details 5) |
12 Months Ended |
|---|---|
Dec. 31, 2023 | |
| Contingently issuable ESPP shares | |
| Stock-Based Compensation and Equity Incentive Plans | |
| Discount from the fair market value (as a percentage) | 15.00% |
Summary of Significant Accounting Policies (Details 6) |
12 Months Ended |
|---|---|
Dec. 31, 2023 | |
| Cash equivalents and marketable securities | |
| Maximum maturity period of available-for-sale securities (in years) | 3 years |
Summary of Significant Accounting Policies (Details 7) |
12 Months Ended |
|---|---|
Dec. 31, 2023 | |
| Accounting Policies [Abstract] | |
| Debt Instrument, Term | 1 month |
Revenue Recognition (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Revenue from Contract with Customer [Abstract] | ||
| Unbilled receivables | $ 55,295 | $ 150,920 |
| Deferred revenue | $ 18,085 | $ 25,421 |
Revenue Recognition (Details 2) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Revenue from Contract with Customer [Abstract] | ||
| Contract balances, revenue recognized | $ 20.8 | $ 23.6 |
Revenue Recognition (Details 3) $ in Millions |
Dec. 31, 2023
USD ($)
|
|---|---|
| Revenue from Contract with Customer [Abstract] | |
| Remaining performance obligations | $ 19.3 |
| Remaining performance obligation, expected timing of satisfaction, start date: 2024-01-01 | |
| Remaining performance obligation, expected timing of satisfaction | |
| Remaining performance obligations, expected timing of satisfaction period | 2 years |
Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Numerator: | |||
| Net income (loss) | $ 333,904 | $ (14,310) | $ 18,334 |
| Denominator: | |||
| Weighted-average common shares outstanding, basic (in shares) | 108,183 | 109,472 | 110,538 |
| Effect of potential dilutive common shares | 2,706 | 0 | 4,327 |
| Denominator: | |||
| Weighted-average common shares outstanding, diluted (in shares) | 110,889 | 109,472 | 114,865 |
| Basic net income (loss) per share | $ 3.09 | $ (0.13) | $ 0.17 |
| Diluted net income (loss) per share | $ 3.01 | $ (0.13) | $ 0.16 |
Earnings (Loss) Per Share (Narrative) (Details) - 1.375% Convertible senior notes due 2023 - Convertible senior notes - USD ($) $ in Thousands, shares in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2023 |
Dec. 31, 2022 |
|
| Anti-dilutive shares excluded from calculation of earnings per share | ||
| Issuance of common stock in connection with the maturity of the convertible senior notes related to the settlement of the in-the-money conversion feature of the convertible senior notes (in shares) | 0.3 | |
| Carrying value | $ 10,400 | $ 10,378 |
Intangible Assets and Goodwill (Goodwill Information) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| Beginning balance | $ 292,040 | $ 278,810 |
| Addition to goodwill | 12,069 | |
| Adjustments to goodwill | 1,013 | |
| Divestiture of goodwill | (5,228) | |
| Effect of exchange rates | 148 | |
| Ending balance | $ 286,812 | $ 292,040 |
Intangible Assets and Goodwill (Details 3) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Goodwill and Intangible Assets Disclosure [Abstract] | |||
| Amortization of intangible assets | $ 14,741 | $ 15,610 | $ 17,467 |
Intangible Assets and Goodwill (Details 4) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Estimated future amortization expense of intangible assets | ||
| 2024 | $ 11,742 | |
| 2025 | 5,427 | |
| 2026 | 3,739 | |
| 2027 | 461 | |
| 2028 | 0 | |
| Thereafter | 0 | |
| Finite-lived intangible assets | 21,369 | |
| In-process research and development | 7,400 | |
| Intangible assets, net | $ 28,769 | $ 50,880 |
Segment Information (Details) - Customer concentration risk - Accounts receivable |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Customer 1 | ||
| Concentration risk | ||
| Accounts receivable from major customer as a percentage of total accounts receivable | 49.00% | |
| Customer 2 | ||
| Concentration risk | ||
| Accounts receivable from major customer as a percentage of total accounts receivable | 13.00% | 14.00% |
| Customer 3 | ||
| Concentration risk | ||
| Accounts receivable from major customer as a percentage of total accounts receivable | 12.00% | |
| Customer 4 | ||
| Concentration risk | ||
| Accounts receivable from major customer as a percentage of total accounts receivable | 23.00% | |
| Customer 5 | ||
| Concentration risk | ||
| Accounts receivable from major customer as a percentage of total accounts receivable | 16.00% |
Segment Information (Details 2) - Customer concentration risk - Revenue |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Customer A | |||
| Concentration risk | |||
| Revenue from major customer as a percentage of total revenue | 27.00% | ||
| Customer B | |||
| Concentration risk | |||
| Revenue from major customer as a percentage of total revenue | 18.00% | 19.00% | 21.00% |
| Customer C | |||
| Concentration risk | |||
| Revenue from major customer as a percentage of total revenue | 17.00% | 13.00% | |
| Customer D | |||
| Concentration risk | |||
| Revenue from major customer as a percentage of total revenue | 14.00% | 11.00% | |
Segment Information (Details 3) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Major customer disclosure | |||
| Revenue | $ 461,117 | $ 454,793 | $ 328,304 |
| Property, plant and equipment, net | 67,808 | 86,255 | |
| United States | |||
| Major customer disclosure | |||
| Revenue | 176,821 | 277,776 | 211,419 |
| Property, plant and equipment, net | 64,100 | 80,500 | |
| South Korea | |||
| Major customer disclosure | |||
| Revenue | 152,328 | 7,222 | 6,007 |
| Singapore | |||
| Major customer disclosure | |||
| Revenue | 53,327 | 57,309 | 39,798 |
| Other countries | |||
| Major customer disclosure | |||
| Revenue | 78,641 | 112,486 | $ 71,080 |
| India | |||
| Major customer disclosure | |||
| Property, plant and equipment, net | 3,000 | 3,400 | |
| Other foreign locations | |||
| Major customer disclosure | |||
| Property, plant and equipment, net | $ 700 | $ 2,400 | |
Marketable Securities (Details 2) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|---|
| Debt securities, available-for-sale | |||
| Cash and cash equivalents | $ 94,767 | $ 125,334 | $ 107,891 |
| Marketable securities | 331,077 | 187,892 | |
| Total cash, cash equivalents and marketable securities | 425,844 | 313,226 | |
| Marketable securities | |||
| Debt securities, available-for-sale | |||
| Marketable securities | 331,077 | 187,892 | |
| Cash | |||
| Debt securities, available-for-sale | |||
| Cash | 88,486 | 94,737 | |
| Cash equivalents | |||
| Debt securities, available-for-sale | |||
| Cash Equivalents | $ 6,281 | $ 30,597 |
Marketable Securities (Details 3) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Debt securities, available-for-sale | ||
| Less than 12 Months, fair value | $ 78,861 | $ 74,431 |
| Less than 12 months, gross unrealized loss | (93) | (58) |
| 12 months or greater, fair value | 23,460 | 112,147 |
| 12 months or greater, gross unrealized losses | (524) | (3,566) |
| Fair value | 102,321 | 186,578 |
| Gross unrealized losses | (617) | (3,624) |
| U.S. Government bonds and notes | ||
| Debt securities, available-for-sale | ||
| Less than 12 Months, fair value | 32,454 | 28,893 |
| Less than 12 months, gross unrealized loss | (53) | (23) |
| 12 months or greater, fair value | 6,841 | 62,588 |
| 12 months or greater, gross unrealized losses | (159) | (1,857) |
| Corporate bonds, commercial paper and notes | ||
| Debt securities, available-for-sale | ||
| Less than 12 Months, fair value | 46,407 | 45,538 |
| Less than 12 months, gross unrealized loss | (40) | (35) |
| 12 months or greater, fair value | 16,619 | 49,559 |
| 12 months or greater, gross unrealized losses | $ (365) | $ (1,709) |
Marketable Securities (Details 4) $ in Thousands |
Dec. 31, 2023
USD ($)
|
|---|---|
| Contractual maturities | |
| Contractual maturities, fair value, due less than one year | $ 251,857 |
| Contractual maturities, fair value, due from one year through three years | 81,711 |
| Contractual maturities, fair value | $ 333,568 |
Fair Value of Financial Instruments (Details 2) - Earn-out liability - Significant unobservable inputs (Level 3) - Recurring basis - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Fair value, liabilities measured on recurring basis, unobservable input reconciliation, roll forward | |||
| Balance as of beginning of period | $ 14,800 | $ 16,900 | $ 0 |
| Addition of earn-out liability due to acquisition | 0 | 0 | 11,600 |
| Change in fair value of earn-out liability due to remeasurement | 9,234 | 3,111 | 5,300 |
| Change in fair value of earn-out liability due to achievement of revenue target | (11,534) | (5,211) | 0 |
| Balance as of end of period | $ 12,500 | $ 14,800 | $ 16,900 |
Fair Value of Financial Instruments (Details 3) - Convertible senior notes - 1.375% Convertible senior notes due 2023 - USD ($) $ in Thousands |
Mar. 31, 2023 |
Dec. 31, 2022 |
Nov. 17, 2017 |
|---|---|---|---|
| Debt instrument | |||
| Face value | $ 10,381 | $ 172,500 | |
| Carrying value | $ 10,400 | 10,378 | |
| Fair value | $ 19,625 |
Leases (Operating Lease Maturities) (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Leases [Abstract] | ||
| 2024 | $ 5,908 | |
| 2025 | 5,897 | |
| 2026 | 6,137 | |
| 2027 | 4,838 | |
| 2028 | 4,548 | |
| Thereafter | 8,453 | |
| Total minimum lease payments | 35,781 | |
| Less: amount of lease payments representing interest | (5,073) | |
| Present value of future minimum lease payments | 30,708 | |
| Operating lease liabilities | (4,453) | $ (5,024) |
| Long-term operating lease liabilities | $ 26,255 | $ 29,079 |
Leases (Additional Details) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Leases [Abstract] | |||
| Operating lease, weighted-average remaining lease term | 6 years 2 months 12 days | ||
| Operating lease, weighted-average discount rate, percent | 6.30% | ||
| Operating lease, cost | $ 6.0 | $ 7.5 | $ 7.4 |
| Operating lease, payments | $ 6.7 | $ 8.6 | $ 7.8 |
Balance Sheet Details (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Inventory | ||
| Raw materials | $ 17,483 | $ 4,683 |
| Work in process | 5,299 | 8,341 |
| Finished goods | 13,372 | 7,876 |
| Inventories | 36,154 | 20,900 |
| Inventory reserves | $ 6,000 | $ 1,300 |
Balance Sheet Details (Details 3) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Accumulated other comprehensive income (Loss) | ||
| Foreign currency translation adjustments | $ (913) | $ (1,195) |
| Unrealized gain (loss) on available-for-sale securities, net of tax | (356) | (3,768) |
| Total | $ (1,269) | $ (4,963) |
Balance Sheet Details (Details 4) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Property, Plant and Equipment [Abstract] | ||
| EDA tools software licenses liability | $ 14,566 | $ 15,563 |
| Price protection liability | 6,563 | 0 |
| Other current liabilities | 5,469 | 8,429 |
| Other current liabilities | $ 26,598 | $ 23,992 |
Convertible Notes (Schedule of Notes) (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Mar. 31, 2023 |
Dec. 31, 2022 |
Nov. 17, 2017 |
|---|---|---|---|---|
| Debt instrument | ||||
| Less current portion | $ 0 | $ 10,378 | ||
| Convertible senior notes | 1.375% Convertible senior notes due 2023 | ||||
| Debt instrument | ||||
| Face value | 10,381 | $ 172,500 | ||
| Unamortized debt issuance costs | (3) | |||
| Total convertible notes | $ 10,400 | 10,378 | ||
| Less current portion | 10,378 | |||
| Total long-term convertible notes | $ 0 |
Convertible Notes (Interest Expense) (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Nov. 17, 2017 |
|
| Interest expense related to notes | ||||
| Amortization of discount and debt issuance costs | $ 3 | $ 207 | $ 7,656 | |
| Convertible senior notes | 1.375% Convertible senior notes due 2023 | ||||
| Interest expense related to notes | ||||
| Convertible notes, stated interest rate (as a percentage) | 1.375% | 1.375% | 1.375% | 1.375% |
| Coupon interest expense | $ 610 | $ 2,372 | ||
| Amortization of discount and debt issuance costs | 194 | 7,656 | ||
| Total interest expense on convertible notes | $ 804 | $ 10,028 | ||
Convertible Notes (Narrative) (Details 3) - $ / shares |
Nov. 17, 2017 |
Nov. 14, 2017 |
|---|---|---|
| Debt instrument | ||
| Class of warrant or right, exercise price of warrants or rights | $ 23.30 | |
| 1.375% Convertible senior notes due 2023 | Convertible senior notes | ||
| Debt instrument | ||
| Initial conversion price of notes (in dollars per share) | $ 18.93 |
Convertible Notes (Narrative) (Details 4) |
Nov. 17, 2017
$ / shares
|
|---|---|
| 1.375% Convertible senior notes due 2023 | Convertible senior notes | |
| Debt instrument | |
| Initial conversion price of notes (in dollars per share) | $ 18.93 |
Commitments and Contingencies (Details) - USD ($) $ in Thousands |
12 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|||||||||||
| Contractual obligations | ||||||||||||||
| 2024 | [1],[2] | $ 18,436 | ||||||||||||
| 2025 | [1],[2] | 8,550 | ||||||||||||
| 2026 | [1],[2] | 137 | ||||||||||||
| 2027 | [1],[2] | 0 | ||||||||||||
| 2028 | [1],[2] | 0 | ||||||||||||
| Total contractual obligation | [1],[2] | 27,123 | ||||||||||||
| Unrecognized tax benefit excluding foreign tax withholdings | 110,700 | |||||||||||||
| Unrecognized tax benefits | 184,921 | $ 164,531 | $ 146,215 | $ 134,044 | ||||||||||
| Long-term deferred tax assets | ||||||||||||||
| Contractual obligations | ||||||||||||||
| Unrecognized tax benefits | 31,700 | 19,600 | ||||||||||||
| Long-term income taxes payable | ||||||||||||||
| Contractual obligations | ||||||||||||||
| Unrecognized tax benefits | 78,900 | $ 1,300 | ||||||||||||
| Software licenses | ||||||||||||||
| Contractual obligations | ||||||||||||||
| 2024 | [1],[2],[3] | 16,552 | ||||||||||||
| 2025 | [1],[2],[3] | 8,083 | ||||||||||||
| 2026 | [1],[2],[3] | 0 | ||||||||||||
| 2027 | [1],[2],[3] | 0 | ||||||||||||
| 2028 | [1],[2],[3] | 0 | ||||||||||||
| Total contractual obligation | [1],[2],[3] | $ 24,635 | ||||||||||||
| Software licenses | Engineering development tools | ||||||||||||||
| Contractual obligations | ||||||||||||||
| Terms of noncancellable license agreement, minimum (in years) | 1 year | |||||||||||||
| Software licenses | Engineering development tools | Other current liabilities | ||||||||||||||
| Contractual obligations | ||||||||||||||
| Total contractual obligation | $ 14,600 | |||||||||||||
| Software licenses | Engineering development tools | Other noncurrent liabilities | ||||||||||||||
| Contractual obligations | ||||||||||||||
| Total contractual obligation | 8,000 | |||||||||||||
| Other contractual commitments | ||||||||||||||
| Contractual obligations | ||||||||||||||
| 2024 | [1],[2] | 1,326 | ||||||||||||
| 2025 | [1],[2] | 131 | ||||||||||||
| 2026 | [1],[2] | 137 | ||||||||||||
| 2027 | [1],[2] | 0 | ||||||||||||
| 2028 | [1],[2] | 0 | ||||||||||||
| Total contractual obligation | [1],[2] | 1,594 | ||||||||||||
| Acquisition retention bonuses | ||||||||||||||
| Contractual obligations | ||||||||||||||
| 2024 | [1],[2],[4],[5] | 558 | ||||||||||||
| 2025 | [1],[2],[4],[5] | 336 | ||||||||||||
| 2026 | [1],[2],[4],[5] | 0 | ||||||||||||
| 2027 | [1],[2],[4],[5] | 0 | ||||||||||||
| 2028 | [1],[2],[4],[5] | 0 | ||||||||||||
| Total contractual obligation | [1],[2],[4],[5] | $ 894 | ||||||||||||
| ||||||||||||||
Equity Incentive Plans and Stock-Based Compensation (Details) - shares |
12 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
||||||||||||||
| Potential additional performance stock units | ||||||||||||||||
| Shares available for grant | ||||||||||||||||
| Nonvested equity stock and stock units granted (in shares) | 200,000 | 600,000 | 400,000 | |||||||||||||
| Stock compensation plan | ||||||||||||||||
| Shares available for grant | ||||||||||||||||
| Shares available as of beginning of period | 7,655,769 | 10,492,178 | 12,412,320 | |||||||||||||
| Number of additional shares authorized | [1] | 5,210,000 | ||||||||||||||
| Stock options forfeited | 54,327 | |||||||||||||||
| Nonvested equity stock and stock units granted (in shares) | [3] | (2,082,334) | [2] | (4,107,633) | [4] | (3,918,251) | [5] | |||||||||
| Nonvested equity stock and stock units forfeited (in shares) | [3] | 1,170,715 | 1,271,224 | 1,943,782 | ||||||||||||
| Shares available as of end of period | 11,954,150 | 7,655,769 | 10,492,178 | |||||||||||||
| Stock compensation plan | Award date, period 1 | ||||||||||||||||
| Shares available for grant | ||||||||||||||||
| Conversion factor used to calculate the decrease in the number of shares available for grant resulting from the grant of restricted stock awards | 1.5 | |||||||||||||||
| Conversion factor used to calculate the increase in the number of shares available for grant resulting from the forfeiture of restricted stock awards | 1.5 | |||||||||||||||
| Stock compensation plan | Award date, period 2 | ||||||||||||||||
| Shares available for grant | ||||||||||||||||
| Conversion factor used to calculate the decrease in the number of shares available for grant resulting from the grant of restricted stock awards | 1.0 | |||||||||||||||
| Conversion factor used to calculate the increase in the number of shares available for grant resulting from the forfeiture of restricted stock awards | 1.0 | |||||||||||||||
| ||||||||||||||||
Equity Incentive Plans and Stock-Based Compensation (Details 3) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Stock options | |||
| Valuation assumptions | |||
| Dividend yield | 0.00% | ||
| Contingently issuable ESPP shares | |||
| Valuation assumptions | |||
| Expected stock price volatility rate, minimum | 48.00% | 40.00% | 32.00% |
| Expected stock price volatility rate, maximum | 53.00% | 44.00% | 33.00% |
| Risk free interest rate, minimum | 5.14% | 1.49% | 0.04% |
| Risk free interest rate, maximum | 5.51% | 4.58% | 0.05% |
| Expected term | 6 months | 6 months | 6 months |
| Weighted-average fair value of purchase rights granted under the purchase plan | $ 14.86 | $ 8.02 | $ 5.17 |
Equity Incentive Plans and Stock-Based Compensation (Details 4) - Nonvested equity stock and stock units - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Nonvested equity stock and stock units | |||
| Nonvested at the beginning of the period (in shares) | 4,718,060 | 4,718,385 | 4,851,265 |
| Granted (in shares) | 1,268,973 | 2,338,255 | 2,363,885 |
| Vested (in shares) | (1,797,002) | (1,853,260) | (1,524,950) |
| Forfeited (in shares) | (759,839) | (485,320) | (971,815) |
| Nonvested at the end of the period (in shares) | 3,430,192 | 4,718,060 | 4,718,385 |
| Weighted-average grant-date fair value | |||
| Nonvested at the beginning of the period (in dollars per share) | $ 22.78 | $ 16.62 | $ 12.82 |
| Granted (in dollars per share) | 46.93 | 28.10 | 21.18 |
| Vested (in dollars per share) | 18.07 | 14.42 | 12.41 |
| Forfeited (in dollars per share) | 28.60 | 20.48 | 15.30 |
| Nonvested at the end of the period (in dollars per share) | $ 32.90 | $ 22.78 | $ 16.62 |
Stockholders' Equity (Details) - 2020 Share repurchase program - USD ($) $ in Millions |
Dec. 31, 2023 |
Nov. 02, 2023 |
Oct. 29, 2020 |
|---|---|---|---|
| Class of stock | |||
| Number of shares authorized to be repurchased under the plan | 20,000,000 | ||
| Remaining number of shares authorized to be repurchased | 7,900,000 | ||
| Amount authorized to be repurchased | $ 50.0 | ||
| Amount authorized to be repurchased per quarter, maximum | $ 25.0 |
Benefit Plans (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Retirement Benefits [Abstract] | |||
| Employee contribution limit per calendar year to 401(k) Plan (as a percentage of compensation) | 60.00% | ||
| Employer match of employee's gross pay (as a percentage of compensation) | 50.00% | ||
| Employer match of employee contributions of first 6% of eligible compensation (as a percentage) | 6.00% | ||
| Employer contribution | $ 2.0 | $ 1.9 | $ 1.8 |
Restructuring and Other Charges (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Restructuring costs and reserves | |||
| Restructuring and other charges | $ 9,368 | $ 0 | $ 368 |
| 2023 Plan | |||
| Restructuring costs and reserves | |||
| Balance at beginning of period | 0 | ||
| Restructuring and other charges | 9,368 | ||
| Non-cash items | (948) | ||
| Payments for Restructuring | (6,752) | ||
| Balance at end of period | 1,668 | 0 | |
| 2023 Plan | Employee severance | |||
| Restructuring costs and reserves | |||
| Balance at beginning of period | 0 | ||
| Restructuring and other charges | 4,620 | ||
| Non-cash items | 0 | ||
| Payments for Restructuring | (4,152) | ||
| Balance at end of period | 468 | 0 | |
| 2023 Plan | Other restructuring | |||
| Restructuring costs and reserves | |||
| Balance at beginning of period | 0 | ||
| Restructuring and other charges | 4,748 | ||
| Non-cash items | (948) | ||
| Payments for Restructuring | (2,600) | ||
| Balance at end of period | $ 1,200 | $ 0 | |
Restructuring and Other Charges (Narrative) (Details) $ in Thousands |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Dec. 31, 2023
USD ($)
|
Dec. 31, 2022
USD ($)
|
Dec. 31, 2021
USD ($)
|
|
| Restructuring costs and reserves | ||||
| Restructuring and other charges | $ 9,368 | $ 0 | $ 368 | |
| 2023 Plan | ||||
| Restructuring costs and reserves | ||||
| Restructuring, number of positions eliminated | 42 | |||
| Restructuring and other charges | $ 9,400 | |||
Income Taxes (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Income before taxes | ||||
| Domestic | $ 154,434 | $ (16,663) | $ 19,244 | |
| Foreign | 32,726 | 8,838 | 4,042 | |
| Income (loss) before income taxes | 187,160 | (7,825) | 23,286 | |
| Income tax contingencies | ||||
| Unrecognized tax benefits | 184,921 | $ 164,531 | $ 146,215 | $ 134,044 |
| Unrecognized Tax Benefits, Including Interest | ||||
| Income tax contingencies | ||||
| Unrecognized tax benefits | $ 185,700 | |||
Income Taxes (Details 2) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Federal: | |||
| Current | $ 1,075 | $ 183 | $ (112) |
| Deferred | (126,734) | 2,479 | 2,042 |
| State: | |||
| Current | 893 | (215) | 214 |
| Deferred | (17,264) | 24 | 324 |
| Foreign: | |||
| Current | (3,362) | 5,828 | 3,328 |
| Deferred | (1,352) | (1,814) | (844) |
| Provision for income taxes | $ (146,744) | $ 6,485 | $ 4,952 |
Income Taxes (Details 4) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Components of net deferred tax assets (liabilities) | ||
| Depreciation and amortization | $ 0 | $ 3,247 |
| Lease liabilities | 6,607 | 7,691 |
| Other timing differences, accruals and reserves | 5,306 | 10,393 |
| Deferred equity compensation | 3,973 | 4,366 |
| Net operating loss carryovers | 14,578 | 13,423 |
| Capitalized research | 77,244 | 49,649 |
| Tax credits | 50,445 | 96,758 |
| Total gross deferred tax assets | 158,153 | 185,527 |
| Lease right-of-use assets | (4,589) | (5,501) |
| Deferred revenue | 0 | (76) |
| Depreciation and amortization | (5,078) | 0 |
| Total gross deferred tax liabilities | (9,667) | (5,577) |
| Total net deferred tax assets before valuation allowance | 148,486 | 179,950 |
| Valuation allowance | (25,056) | (201,883) |
| Net deferred tax assets (liabilities) | $ 123,430 | |
| Net deferred tax assets (liabilities) | $ (21,933) |
Income Taxes (Details 5) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Income Tax Disclosure [Abstract] | ||
| Non-current deferred tax assets | $ 127,892 | $ 3,031 |
| Non-current deferred tax liabilities | (4,462) | (24,964) |
| Net deferred tax assets (liabilities) | $ (21,933) | |
| Net deferred tax assets (liabilities) | $ 123,430 |
Income Taxes (Details 6) - Tax Valuation Allowance - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Changes in valuation and qualifying accounts | |||
| Balance at beginning of period | $ 201,883 | $ 206,874 | $ 174,119 |
| Charged (credited) to operations | 1,776 | (7,233) | 32,544 |
| Charged to other account | (717) | 2,242 | 211 |
| Valuation allowance release | (177,886) | 0 | 0 |
| Balance at end of period | $ 25,056 | $ 201,883 | $ 206,874 |
Income Taxes (Details 7) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Reconciliation of the beginning and ending amounts of unrecognized income tax benefits | |||
| Balance at beginning of the period | $ 164,531 | $ 146,215 | $ 134,044 |
| Tax positions related to current year: | |||
| Additions | 19,403 | 18,515 | 18,748 |
| Tax positions related to prior years: | |||
| Additions | 1,378 | 0 | 615 |
| Reductions | (391) | (199) | (1,586) |
| Settlements | 0 | 0 | (5,606) |
| Balance at end of the period | $ 184,921 | $ 164,531 | $ 146,215 |
Income Taxes (Narrative) (Details 3) $ in Millions |
Dec. 31, 2023
USD ($)
|
|---|---|
| Income Tax Disclosure [Abstract] | |
| Undistributed foreign earnings | $ 50.3 |
| Undistributed foreign earnings, estimated foreign withholding taxes | $ 3.1 |
Divestiture (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2023 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Divestiture | ||||
| Divestiture, gain (loss), net | $ (90,784) | $ 0 | $ 0 | |
| Other asset impairment charges | 10,045 | $ 0 | $ 0 | |
| Divestiture, not discontinued operations | PHY IP Group | ||||
| Divestiture | ||||
| Divestiture, consideration, initial selling price | $ 110,000 | |||
| Divestiture, proceeds net | 106,300 | |||
| Divestiture, purchase price adjustments | $ 3,700 | |||
| Divestiture, gain (loss), net | (90,800) | |||
| Divestiture, transaction costs | $ 1,400 | |||
Acquisitions Acquisitions (Pro Forma Information) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Hardent, Inc. | ||
| Pro forma financial information, nonrecurring adjustment | ||
| Pro forma financial information, revenue | $ 457,852 | $ 336,258 |
| Pro forma financial information, net income (loss) | $ (13,251) | 19,452 |
| AnalogX, Inc and PLDA Group | ||
| Pro forma financial information, nonrecurring adjustment | ||
| Pro forma financial information, revenue | 338,961 | |
| Pro forma financial information, net income (loss) | $ 16,533 | |
Acquisitions Acquisition (Additional Information) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
May 20, 2022 |
Aug. 18, 2021 |
Jul. 02, 2021 |
Jun. 16, 2021 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2023 |
|||||||||
| Business acquisition | |||||||||||||||
| Contractual obligation | [1],[2] | $ 27,123 | |||||||||||||
| Acquisition retention bonuses | |||||||||||||||
| Business acquisition | |||||||||||||||
| Contractual obligation | [1],[2],[3],[4] | $ 894 | |||||||||||||
| Hardent, Inc. | |||||||||||||||
| Business acquisition | |||||||||||||||
| Total consideration | $ 16,100 | ||||||||||||||
| Total consideration transferred | 14,700 | ||||||||||||||
| Acquisition-related costs | $ 1,200 | ||||||||||||||
| Hardent, Inc. | Acquisition-related Costs | |||||||||||||||
| Business acquisition | |||||||||||||||
| Pro forma financial information, adjustment, acquisition-related costs | $ 1,200 | ||||||||||||||
| Hardent, Inc. | Acquisition retention bonuses | Annually | |||||||||||||||
| Business acquisition | |||||||||||||||
| Contractual obligation | 1,200 | ||||||||||||||
| Hardent, Inc. | Indemnification obligations | |||||||||||||||
| Business acquisition | |||||||||||||||
| Escrow deposit | $ 1,200 | ||||||||||||||
| Escrow release term | 18 months | ||||||||||||||
| Hardent, Inc. | Other contractual provisions | |||||||||||||||
| Business acquisition | |||||||||||||||
| Escrow deposit | $ 200 | ||||||||||||||
| AnalogX, Inc. | |||||||||||||||
| Business acquisition | |||||||||||||||
| Total consideration | $ 47,500 | ||||||||||||||
| Total consideration transferred | 40,400 | ||||||||||||||
| Escrow deposit | $ 5,900 | ||||||||||||||
| Escrow release term | 12 months | ||||||||||||||
| Acquisition-related costs | $ 800 | ||||||||||||||
| Goodwill expected to be tax deductible | 26,900 | ||||||||||||||
| AnalogX, Inc. | Acquisition retention bonuses | |||||||||||||||
| Business acquisition | |||||||||||||||
| Contractual obligation | $ 3,500 | ||||||||||||||
| PLDA Group | |||||||||||||||
| Business acquisition | |||||||||||||||
| Total consideration | $ 85,600 | ||||||||||||||
| Total consideration transferred | 67,100 | ||||||||||||||
| Escrow deposit | $ 10,000 | ||||||||||||||
| Escrow release term | 24 months | ||||||||||||||
| Acquisition-related costs | $ 1,400 | ||||||||||||||
| PLDA Group | In-process research and development | |||||||||||||||
| Business acquisition | |||||||||||||||
| Expected period of project completion | 36 months | ||||||||||||||
| PLDA Group | Acquisition retention bonuses | |||||||||||||||
| Business acquisition | |||||||||||||||
| Contractual obligation | $ 3,000 | ||||||||||||||
| AnalogX, Inc and PLDA Group | Acquisition-related Costs | |||||||||||||||
| Business acquisition | |||||||||||||||
| Pro forma financial information, adjustment, acquisition-related costs | $ 2,200 | ||||||||||||||
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