Audit Information |
12 Months Ended |
|---|---|
Dec. 31, 2023 | |
| Auditor Information [Abstract] | |
| Auditor Name | Ernst & Young LLP |
| Auditor Location | San Diego, California |
| Auditor Firm ID | 42 |
Consolidated Balance Sheets (Parenthetical) - $ / shares |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Preferred stock, par value (usd per share) | $ 0.001 | $ 0.001 |
| Preferred stock authorized (shares) | 20,000,000 | 20,000,000 |
| Preferred stock issued (shares) | 0 | 0 |
| Preferred stock outstanding (shares) | 0 | 0 |
| Common stock, par value (usd per share) | $ 0.001 | $ 0.001 |
| Common stock authorized (shares) | 300,000,000 | 300,000,000 |
| Common stock issued (shares) | 126,770,000 | 135,154,000 |
| Common stock outstanding (shares) | 126,770,000 | 135,154,000 |
Consolidated Statements of Comprehensive Income - 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 | $ 281,594 | $ 202,129 | $ 402,710 |
| Other comprehensive income | |||
| Unrealized gain (loss) on marketable securities | 1,097 | (349) | (683) |
| Foreign currency translation adjustment | 24 | 8 | 15 |
| Unrealized gain on foreign currency | 3 | 39 | 26 |
| Unrealized loss on derivative instruments, net | (9,406) | 0 | 0 |
| Realized gain on derivative instruments, net | (74) | 0 | 0 |
| Comprehensive income | $ 273,238 | $ 201,827 | $ 402,068 |
Organization and Business |
12 Months Ended |
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Dec. 31, 2023 | |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| Organization and Business | Organization and Business Halozyme Therapeutics, Inc. is a biopharmaceutical company advancing disruptive solutions to improve patient experiences and outcomes for emerging and established therapies. As the innovators of ENHANZE ® drug delivery technology (“ENHANZE”) with our proprietary enzyme, rHuPH20, our commercially validated solution is used to facilitate the subcutaneous (“SC”) delivery of injected drugs and fluids with the goal of reducing the treatment burden for patients. We license our technology to biopharmaceutical companies to collaboratively develop products that combine ENHANZE® with our partners’ proprietary compounds. We also develop, manufacture and commercialize, for ourselves or with our partners, drug-device combination products using our advanced auto-injector technologies that are designed to provide commercial or functional advantages such as improved convenience, reliability and tolerability, and enhanced patient comfort and adherence. Our ENHANZE partners’ approved products and product candidates are based on rHuPH20, our patented recombinant human hyaluronidase enzyme. rHuPH20 works by breaking down hyaluronan (“HA”), a naturally occurring carbohydrate that is a major component of the extracellular matrix of the SC space. This temporarily reduces the barrier to bulk fluid flow allowing for improved and more rapid SC delivery of high dose, high volume injectable biologics, such as monoclonal antibodies and other large therapeutic molecules, as well as small molecules and fluids. We refer to the application of rHuPH20 to facilitate the delivery of other drugs or fluids as ENHANZE. We license the ENHANZE technology to form collaborations with biopharmaceutical companies that develop or market drugs requiring or benefiting from injection via the SC route of administration. In the development of proprietary intravenous (“IV”) drugs combined with our ENHANZE technology, data has been generated supporting the potential for ENHANZE to reduce patient treatment burden, as a result of shorter duration of SC administration with ENHANZE compared to IV administration. ENHANZE may enable fixed-dose SC dosing compared to weight-based dosing typically required for IV administration, extend the dosing interval for drugs that are already administered subcutaneously and potentially allow for lower rates of infusion-related reactions. ENHANZE may enable more flexible treatment options such as home administration by a healthcare professional or potentially the patient or caregiver. Lastly, certain proprietary drugs co-formulated with ENHANZE have been granted additional exclusivity, extending the patent life of the product beyond the patent expiry of the proprietary IV drug. We currently have ENHANZE collaborations and licensing agreements with F. Hoffmann-La Roche, Ltd. and Hoffmann-La Roche, Inc. (“Roche”), Takeda Pharmaceuticals International AG and Baxalta US Inc. (“Takeda”), Pfizer Inc. (“Pfizer”), Janssen Biotech, Inc. (“Janssen”), AbbVie, Inc. (“AbbVie”), Eli Lilly and Company (“Lilly”), Bristol-Myers Squibb Company (“BMS”), argenx BVBA (“argenx”), ViiV Healthcare (the global specialist HIV Company majority owned by GlaxoSmithKline) (“ViiV”), Chugai Pharmaceutical Co., Ltd (“Chugai”) and Acumen Pharmaceuticals, Inc. (“Acumen”). In addition to receiving upfront licensing fees from our ENHANZE collaborations, we are entitled to receive event and sales-based milestone payments, revenues from the sale of bulk rHuPH20 and royalties from commercial sales of approved partner products co-formulated with ENHANZE. We currently earn royalties from four of these collaborations, including royalties from sales of one product from the Takeda collaboration, four products from the Roche collaboration, one product from the Janssen collaboration and one product from the argenx collaboration. We have commercialized auto-injector products with several pharmaceutical companies including Teva Pharmaceutical Industries, Ltd. (“Teva”) and Otter Pharmaceuticals, LLC (“Otter”). We have development programs including auto-injectors with Idorsia Pharmaceuticals Ltd. (“Idorsia”). Our commercial portfolio of proprietary products includes Hylenex®, utilizing rHuPH20, and our specialty product XYOSTED®, utilizing our auto-injector technology. Except where specifically noted or the context otherwise requires, references to “Halozyme,” “the Company,” “we,” “our,” and “us” in these notes to consolidated financial statements refer to Halozyme Therapeutics, Inc. and each of its directly and indirectly wholly owned subsidiaries as disclosed in Note 2, Summary of Significant Accounting Policies.
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Summary of Significant Accounting Policies |
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| Accounting Policies [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary of Significant Accounting Policies | Summary of Significant Accounting Policies Basis of Presentation The consolidated financial statements include the accounts of Halozyme Therapeutics, Inc. and our wholly owned subsidiaries, Halozyme, Inc. and Antares Pharma, Inc., and Antares Pharma, Inc.’s wholly owned Swiss subsidiaries, Antares Pharma IPL AG and Antares Pharma AG. All intercompany accounts and transactions have been eliminated. Use of Estimates The preparation of consolidated financial statements in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”) requires us to make estimates and assumptions that affect the amounts reported in our consolidated financial statements and accompanying notes. On an ongoing basis, we evaluate our estimates and judgments, which are based on historical and anticipated results and trends and on various other assumptions that we believe to be reasonable under the circumstances. By their nature, estimates are subject to an inherent degree of uncertainty and, as such, actual results may differ from our estimates. Cash Equivalents and Marketable Securities Cash equivalents consist of highly liquid investments, readily convertible to cash, which mature within 90 days or less from the date of purchase. As of December 31, 2023, our cash and cash equivalents consisted of money market funds, bank certificate of deposits, U.S. treasury securities and demand deposits at commercial banks. Marketable securities are investments with original maturities of more than 90 days from the date of purchase that are specifically identified to fund current operations. Marketable securities are considered available-for-sale. These investments are classified as current assets, even though the stated maturity date may be one year or more beyond the current balance sheet date which reflects management’s intention to use the proceeds from the sale of these investments to fund our operations, as necessary. Such available-for-sale investments are carried at fair value with unrealized gains and losses recorded in other comprehensive income (loss) and included as a separate component of stockholders’ equity. The cost of marketable securities is adjusted for amortization of premiums or accretion of discounts to maturity, and such amortization or accretion is included in investment and other income, net in our consolidated statements of income. We use the specific identification method for calculating realized gains and losses on marketable securities sold. None of the realized gains and losses and declines in value that were judged to be as a result of credit loss on marketable securities, if any, are included in investment and other income, net in our consolidated statements of income. Restricted Cash Under the lease terms of our facilities, we may be required to maintain letters of credit as security deposits during the terms of such leases. As of December 31, 2023, no restricted cash remained pledged as collateral for the letters of credit as the associated lease was terminated. As of December 31, 2022, restricted cash of $0.5 million was pledged as collateral for the letters of credit. Fair Value of Financial Instruments The authoritative guidance for fair value measurements establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions. Our financial instruments include cash equivalents, available-for-sale marketable securities, accounts receivable, prepaid expenses and other assets, accounts payable, accrued expenses and long-term debt. Fair value estimates of these instruments are made at a specific point in time based on relevant market information. These estimates may be subjective in nature and involve uncertainties and matters of significant judgment and therefore, cannot be determined with precision. The carrying amount of cash equivalents, accounts receivable, prepaid expenses and other assets, accounts payable and accrued expenses are generally considered to be representative of their respective fair values because of the short-term nature of those instruments. Available-for-sale marketable securities consist of asset-backed securities, corporate debt securities, U.S. Treasury securities, agency bonds and commercial paper, and are measured at fair value using Level 1 and Level 2 inputs. Level 2 financial instruments are valued using market prices on less active markets and proprietary pricing valuation models with observable inputs, including interest rates, yield curves, maturity dates, issue dates, settlement dates, reported trades, broker-dealer quotes, issue spreads, benchmark securities or other market related data. We obtain the fair value of Level 2 investments from our investment manager, who obtains these fair values from a third-party pricing source. We validate the fair values of Level 2 financial instruments provided by our investment manager by comparing these fair values to a third-party pricing source. Concentrations of Credit Risk, Sources of Supply and Significant Customers We are subject to credit risk from our portfolio of cash equivalents and marketable securities. These investments were made in accordance with our investment policy which specifies the categories, allocations, and ratings of securities we may consider for investment. The primary objective of our investment activities is to preserve principal while at the same time maximizing the income we receive without significantly increasing risk. We maintain our cash and cash equivalent balances with two major commercial banks and marketable securities with one other financial institution. Deposits held with the financial institutions exceed the amount of insurance provided on such deposits. We are exposed to credit risk in the event of a default by the financial institutions holding our cash, cash equivalents and marketable securities to the extent recorded on the consolidated balance sheets. We are also subject to credit risk from our accounts receivable related to our product sales and revenues under our license and collaborative agreements. We have license and collaborative agreements with pharmaceutical companies under which we receive payments for royalties, license fees, milestone payments for specific achievements designated in the collaborative agreements, reimbursements of research and development services and supply of bulk formulation of rHuPH20. In addition, we sell proprietary products in the United States (“U.S.”) to a limited number of established wholesale distributors in the pharmaceutical industry. Credit is extended based on an evaluation of the customer’s financial condition, and collateral is not required. Management monitors our exposure to accounts receivable by periodically evaluating the collectability of the accounts receivable based on a variety of factors including the length of time the receivables are past due, the financial health of the customer and historical experience. Based upon the review of these factors, we recorded no allowance for doubtful accounts as of December 31, 2023 and 2022. Approximately 69% of the accounts receivable balance as of December 31, 2023 represents amounts due from Janssen, Roche and Teva. Approximately 52% of the accounts receivable balance as of December 31, 2022 represents amounts due from Janssen and Roche. The following table indicates the percentage of total revenues in excess of 10% with any single customer:
We attribute revenues under collaborative agreements, including royalties, to the individual countries where the customer is headquartered. We attribute revenues from product sales to the individual countries to which the product is shipped. Worldwide revenues from external customers are summarized by geographic location in the following table (in thousands):
Accounts Receivable, net Accounts receivable is recorded at the invoiced amount and is non-interest bearing. Accounts receivable is recorded net of cash discounts for prompt payment, distribution fees and chargebacks. We recorded no allowance for doubtful accounts as of December 31, 2023 and 2022 as the collectability of accounts receivable was reasonably assured. Inventories Inventories are stated at lower of cost or net realizable value. Cost is determined on a first-in, first-out basis. Net realizable value is the estimated selling price in the ordinary course of business, less reasonably predictable costs of completion, disposal, and transportation. Inventories are reviewed periodically for potential excess, dated or obsolete status. We evaluate the carrying value of inventories on a regular basis, taking into account such factors as historical and anticipated future sales compared to quantities on hand, the price we expect to obtain for products in their respective markets compared with historical cost and the remaining shelf life of goods on hand. Leases We have entered into operating leases primarily for real estate and automobiles. These leases have contractual terms which range from 3 years to 12 years. We determine if an arrangement contains a lease at inception. Right of use (“ROU”) assets and liabilities resulting from operating leases are included in property and equipment, accrued expenses and other long-term liabilities on our consolidated balance sheets. Operating lease ROU assets and liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. As most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date in determining the discount rate to calculate the present value of future payments. The operating lease ROU asset also includes any lease payments made and excludes lease incentives and initial direct costs incurred. Our leases often include options to extend or terminate the lease. These options are included in the lease term when it is reasonably certain that we will exercise that option. Short-term leases with an initial term of 12 months or less are not recorded on the balance sheet. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term. We have lease agreements with lease and non-lease components, which are generally accounted for separately. For certain leases, such as automobiles, we account for the lease and non-lease components as a single lease component. Property and Equipment, Net Property and equipment, including ROU assets are recorded at cost, less accumulated depreciation and amortization. Equipment is depreciated using the straight-line method over its estimated useful life ranging from three years to ten years and leasehold improvements are amortized using the straight-line method over the estimated useful life of the asset or the lease term, whichever is shorter. Impairment of Long-Lived Assets We account for long-lived assets in accordance with authoritative guidance for impairment or disposal of long-lived assets. Long-lived assets are reviewed for events or changes in circumstances, which indicate that their carrying value may not be recoverable. Comprehensive Income Comprehensive income is defined as the change in equity during the period from transactions and other events and circumstances from non-owner sources. Convertible Notes The 2024 Convertible Notes, the 2027 Convertible Notes and the 2028 Convertible Notes (collectively, the “Convertible Notes”) are accounted for in accordance with authoritative guidance for debt and derivatives. We evaluate all the embedded conversion options contained in the Convertible Notes to determine if there are embedded features that require bifurcation as a derivative as required by U.S. GAAP. Based on our analysis, we account for each of our Convertible Notes as single units of accounting, a liability, because we concluded that the conversion features do not require bifurcation as a derivative under embedded derivative authoritative guidance. Cash Flow Hedges - Currency Risks Beginning in the second quarter of 2023, we entered into a cash flow hedging program to mitigate foreign currency exchange risk associated with forecasted royalty revenue denominated in Swiss francs. Under the program, we can hedge these forecasted royalties up to a maximum of four years into the future. We hedge these cash flow exposures to reduce the risk of our earnings and cash flows being adversely affected by fluctuations in exchange rates. In accordance with the hedge accounting treatment, all hedging relationships are formally documented at the inception of the hedge and are highly effective in offsetting changes to future cash flows on hedged transactions. Both at inception of the hedge and on an ongoing basis, we assess whether the foreign currency forward contracts are highly effective in offsetting changes in cash flows of hedged items on a prospective and retrospective basis. If we determine a (i) foreign currency forward contract is not highly effective as a cash flow hedge, (ii) foreign currency forward contract has ceased to be a highly effective hedge or (iii) forecasted transaction is no longer probable of occurring, we would discontinue hedge accounting treatment prospectively. We measure effectiveness based on the change in fair value of the forward currency forward contract and the fair value of the hypothetical foreign currency forward contract with terms that match the critical terms of the risk being hedged. No portion of our foreign currency forward contracts were excluded from the assessment of hedge effectiveness. As of December 31, 2023, all hedges were determined to be highly effective. The assets or liabilities associated with our hedging contracts are recorded at fair market value in prepaid expense and other current assets, accrued expenses, or other long-term liabilities, respectively, in our consolidated balance sheets. Gains and losses related to changes in the fair market value of these hedging contracts are recorded as a component of accumulated other comprehensive income (loss) (“AOCI”) within stockholder’s equity in our consolidated balance sheets and reclassified to royalty revenue in our consolidated statements of income in the same period as the recognition of the underlying hedged transaction. In the event the underlying forecasted transaction does not occur, or it becomes probable that it will not occur, within the defined hedge period, we reclassify the gains or losses on the related cash flow hedge from AOCI to royalties revenue in our consolidated statements of income. Settlements from the cash flow hedge are included in operating activities on the Consolidated Statements of Cash Flows. Since the fair market value of these hedging contracts is derived from current market rates, the hedging contracts are classified as derivative financial instruments. We do not use derivatives for speculative or trading purposes. As of December 31, 2023, amounts expected to be recognized as a net gain out of AOCI into our consolidated statements of income during the next 12 months, are not material. Business Combinations Under the acquisition method of accounting, we allocate the fair value of the total consideration transferred to the tangible and identifiable intangible assets acquired and liabilities assumed based on their estimated fair values on the date of acquisition. These valuations require us to make estimates and assumptions, especially with respect to intangible assets. We record the excess consideration over the aggregate fair value of tangible and intangible assets, net of liabilities assumed, as goodwill. Costs incurred to complete a business combination, such as legal and other professional fees, are expensed as incurred. If the initial accounting for a business combination is incomplete by the end of a reporting period that falls within the measurement period, we report provisional amounts in our financial statements. During the measurement period, we adjust the provisional amounts recognized at the acquisition date to reflect new information obtained about facts and circumstances that existed as of the acquisition date that, if known, would have affected the measurement of the amounts recognized as of that date. We record these adjustments to the provisional amounts with a corresponding offset to goodwill. Any adjustments identified after the measurement period are recorded in our consolidated statements of income. Goodwill, Intangible Assets and Other Long-Lived Asset Assets acquired, including intangible assets and in-process research and development (“IPR&D”), and liabilities assumed are measured at fair value as of the acquisition date. Goodwill, which has an indefinite useful life, represents the excess of cost over fair value of the net assets acquired. Intangible assets acquired in a business combination that are used for IPR&D activities are considered indefinite lived until the completion or abandonment of the associated research and development efforts. Upon reaching the end of the relevant research and development project (i.e., upon commercialization), the IPR&D asset is amortized over its estimated useful life. If the relevant research and development project is abandoned, the IPR&D asset is expensed in the period of abandonment. Goodwill and IPR&D are not amortized; however, they are reviewed for impairment at least annually during the second quarter, or more frequently if an event occurs indicating the potential for impairment. Goodwill and IPR&D are considered to be impaired if the carrying value of the reporting unit or IPR&D asset exceeds its respective fair value. We perform our goodwill impairment analysis at the reporting unit level, which aligns with our reporting and operating segment structure and availability of discrete financial information. During the goodwill impairment review, we assess qualitative factors to determine whether it is more likely than not that the fair values of our reporting unit is less than the carrying amount, including goodwill. The qualitative factors include, but are not limited to, macroeconomic conditions, industry and market considerations, and our overall financial performance. If, after assessing the totality of these qualitative factors, we determine that it is not more likely than not that the fair value of our reporting unit is less than the carrying amounts, then no additional assessment is deemed necessary. Otherwise, we proceed to compare the estimated fair value of the reporting unit with the carrying value, including goodwill. If the carrying amount of the reporting unit exceeds the fair value, we record an impairment loss based on the difference. We may elect to bypass the qualitative assessment in a period and proceed to perform the quantitative goodwill impairment test. Our identifiable intangible assets with finite useful lives are typically comprised of acquired device technologies and product rights. The cost of identifiable intangible assets with finite lives is generally amortized on a straight-line basis over the assets’ respective estimated useful lives. We perform regular reviews to determine if any event has occurred that may indicate intangible assets with finite useful lives and other long-lived assets are potentially impaired. If indicators of impairment exist, an impairment test is performed to assess the recoverability of the affected assets by determining whether the carrying amount of such assets exceeds the undiscounted expected future cash flows. If the affected assets are not recoverable, we estimate the fair value of the assets and record an impairment loss if the carrying value of the assets exceeds the fair value. Factors that may indicate potential impairment include a significant decline in our stock price and market capitalization compared to the net book value, significant changes in the ability of a particular asset to generate positive cash flows for our strategic business objectives, and the pattern of utilization of a particular asset. Revenue Recognition We generate revenues from payments received (i) as royalties from licensing our ENHANZE technology and other royalty arrangements, (ii) under collaborative agreements and (iii) from sales of our proprietary and partnered products. We recognize revenue when we transfer promised goods or services to customers in an amount that reflects the consideration to which we expect to be entitled in exchange for those goods or services. To determine revenue recognition for contracts with customers, we perform the following five steps: (i) identify the promised goods or services in the contract; (ii) identify the performance obligations in the contract, including whether they are distinct in the context of the contract; (iii) determine the transaction price, including the constraint on variable consideration; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue when (or as) we satisfy the performance obligations. ENHANZE and Device Royalties Under the terms of our ENHANZE collaboration and license agreements, our partners will pay us royalties at an on average mid-single digit percent rate of their sales if products under the collaboration are commercialized. All amounts owed to us are noncancelable after the underlying triggering event occurs, and nonrefundable once paid. Unless terminated earlier in accordance with its terms, collaborations generally continue in effect until the last to expire royalty payment term, as determined on a product by product and country by country basis, with each royalty term starting on the first commercial sale of that product and ending the later of: (i) a specified period or term set forth in the agreement or (ii) expiration of the last to expire of the valid claims of our patents covering rHuPH20 or other specified patents developed under the collaboration which valid claim covers a product developed under the collaboration. In general, when there are no valid claims of a specified patent developed under the collaboration covering the product in a given country, the royalty rate is reduced for those sales in that country upon the expiration of our patents covering rHuPH20. Janssen’s patents covering DARZALEX SC do not impact the timing for this royalty reduction. Partners may terminate the agreement prior to expiration for any reason in its entirety or on a target-by-target basis generally upon 90 days prior written notice to us. Upon any such termination, the license granted to partners (in total or with respect to the terminated target, as applicable) will terminate provided; however, that in the event of expiration of the agreement (as opposed to a termination), the on-going licenses granted will become perpetual, non-exclusive and fully paid. Sales-based milestones and royalties are recognized in the period the underlying sales or milestones occur. We do not receive final royalty reports from our ENHANZE partners until after we complete our financial statements for a prior quarter. Therefore, we recognize revenue based on estimates of the royalty earned, which are based on internal estimates and available preliminary reports provided by our partners. We will record adjustments in the following quarter, if necessary, when final royalty reports are received. To date, we have not recorded any material adjustments. We also earn royalties in connection with several of our licenses granted under license and development arrangements with our device partners. These royalties are based upon a percentage of commercial sales of partnered products with rates ranging from mid-single digits to low double digits and are tiered based on levels of net sales. These sales-based royalties, for which the license was deemed the predominant element to which the royalties relate, are estimated and recognized in the period in which the partners’ commercial sales occur. The royalties are generally reported and payable to us within 45 to 60 days after the end of the period in which the commercial sales are made. We base our estimates of royalties earned on actual sales information from our partners when available or estimated, prescription sales from external sources and estimated net selling price. We will record adjustments in the following quarter, if necessary, when final royalty reports are received. To date, we have not recorded any material adjustments. Revenue under ENHANZE and Device Collaborative Agreements ENHANZE Collaboration and License Agreements Under these agreements, we grant the collaboration partner a worldwide license to develop and commercialize products using our ENHANZE technology to combine our patented rHuPH20 enzyme with their proprietary biologics directed at up to a specified number of targets. Targets are usually licensed on an exclusive, global basis. Targets selected subsequent to inception of the arrangement generally require payment of an additional license fee. The collaboration partner is responsible for all development, manufacturing, clinical, regulatory, sales and marketing costs for any products developed under the agreement. We are responsible for supply of bulk rHuPH20 based on the collaboration partner’s purchase orders, and may also be separately engaged to perform research and development services. While these collaboration agreements are similar in that they originate from the same framework, each one is the result of an arms-length negotiation and thus may vary from one to the other. We generally collect an upfront license payment from collaboration partners, and are also entitled to receive event-based payments subject to collaboration partners’ achievement of specified development, regulatory and sales-based milestones. In several agreements, collaboration partners pay us annual fees to maintain their exclusive license rights if they are unable to advance product development to specified stages. We earn separate fees for bulk rHuPH20 supplies and research and development services. Although these agreements are in form identified as collaborative agreements, we concluded for accounting purposes they represent contracts with customers and are not subject to accounting literature on collaborative arrangements. This is because we grant to partners licenses to our intellectual property and provide supply of bulk rHuPH20 and research and development services which are all outputs of our ongoing activities, in exchange for respective consideration. Under these collaborative agreements, our partners lead development of assets, and we do not share in significant financial risks of their development or commercialization activities. Accordingly, we concluded our collaborative agreements are appropriately accounted for pursuant to U.S. GAAP. Under all of our ENHANZE collaborative agreements, we have identified licenses to use functional intellectual property as the only performance obligation. The intellectual property underlying the license is our proprietary ENHANZE technology which represents application of rHuPH20 to facilitate delivery of drugs. Each of the licenses grants the partners rights to use our intellectual property as it exists and is identified on the effective date of the license, because there is no ongoing development of the ENHANZE technology required. Therefore, we recognize revenue from licenses at the point when the license becomes effective and the partner has received access to our intellectual property, usually at the inception of the agreement. When partners can select additional targets to add to the licenses granted, we consider these rights to be options. We evaluate whether such options contain material rights, i.e. have exercise prices that are discounted compared to what we would charge for a similar license to a new partner. The exercise price of these options includes a combination of the target selection fees, event-based milestone payments and royalties. When these amounts in aggregate are not offered at a discount that exceeds discounts available to other customers, we conclude the option does not contain a material right, and we consider grants of additional licensing rights upon option exercises to be separate contracts (target selection contracts). Generally, we provide indemnification and protection of licensed intellectual property for our customers. These provisions are part of assurance that the licenses meet the agreements’ representations and are not obligations to provide goods or services. We also fulfill purchase orders for supply of bulk rHuPH20 and perform research and development services pursuant to projects authorization forms for our partners, which represent separate contracts. In addition to our licenses, we price our supply of bulk rHuPH20 and research and development services at our regular selling prices, called standalone selling prices (“SSP”). Therefore, our partners do not have material rights to order these items at prices not reflective of SSP. Refer to the discussion below regarding recognition of revenue for these separate contracts. Transaction price for a contract represents the amount to which we are entitled in exchange for providing goods and services to the customer. Transaction price does not include amounts subject to uncertainties unless it is probable that there will be no significant reversal of revenue when the uncertainty is resolved. Apart from the upfront license payment (or target selection fees in the target selection contracts), all other fees we may earn under our collaborative agreements are subject to significant uncertainties of product development. Achievement of many of the event-based development and regulatory milestones may not be probable until such milestones are actually achieved. This generally relates to milestones such as obtaining marketing authorization approvals. With respect to other development milestones, e.g., dosing of a first patient in a clinical trial, achievement could be considered probable prior to its actual occurrence, based on the progress towards commencement of the trial. In order to evaluate progress towards commencement of a trial, we assess the status of activities leading up to our partner’s initiation of a trial such as feedback received from the applicable regulatory authorities, completion of Investigational New Drug (“IND”) or equivalent filings, readiness and availability of drug, readiness of study sites and our partner’s commitment of resources to the program. We do not include any amounts subject to uncertainties in the transaction price until it is probable that the amount will not result in a significant reversal of revenue in the future. At the end of each reporting period, we re-evaluate the probability of achievement of such milestones and any related constraint, and if necessary, adjust our estimate of the overall transaction price. When target exchange rights are held by partners, and the amounts attributed to these rights are not refundable, they are included in the transaction price. However, they are recorded as deferred revenues because we have a potential performance obligation to provide a new target upon an exchange right being exercised. These amounts are recognized in revenue when the right of exchange expires or is exercised. Because our agreements have one type of performance obligation (licenses) which are typically all transferred at the same time at agreement inception, allocation of transaction price often is not required. However, allocation is required when licenses for some of the individual targets are subject to rights of exchange, because revenue associated with these targets cannot be recognized. When allocation is needed, we perform an allocation of the upfront amount based on relative SSP of licenses for individual targets. We determine license SSP using an income-based valuation approach utilizing risk-adjusted discounted cash flow projections of the estimated return a licensor would receive. When amounts subject to uncertainties, such as milestones and royalties, are included in the transaction price, we attribute them to the specific individual target licenses which generate such milestone or royalty amounts. We also estimate SSP of bulk rHuPH20 and research and development services, to determine that our partners do not have material rights to order them at discounted prices. For supplies of bulk rHuPH20, because we effectively act as a contract manufacturer to our partners, we estimate and charge SSP based on the typical contract manufacturer margins consistent with all of our partners. We determine SSP of research and development services based on a fully-burdened labor rate. Our rates are comparable to those we observe in other collaborative agreements. We also have a history of charging similar rates to all of our partners. Upfront amounts allocated to licenses to individual targets are recognized as revenue when the license is transferred to the partner, as discussed above, if the license is not subject to exchange rights, or when the exchange right expires or is exercised. Development milestones and other fees are recognized in revenue when they are included in the transaction price, because by that time, we have already transferred the related license to the partner. In contracts to provide research and development services, such services represent the only performance obligation. The fees are charged based on hours worked by our employees and the fixed contractual rate per hour, plus third-party pass-through costs, on a monthly basis. We recognize revenues as the related services are performed based on the amounts billed, as the partner consumes the benefit of research and development work simultaneously as we perform these services, and the amounts billed reflect the value of these services to the customer. Device License, Development and Supply Arrangements We have several license, development and supply arrangements with pharmaceutical partners, under which we grant a license to our device technology and provide research and development services that often involve multiple performance obligations and highly-customized deliverables. For such arrangements, we identify each of the promised goods and services within the contract and the distinct performance obligations at inception of the contract and allocate consideration to each performance obligation based on relative SSP, which is generally determined based on the expected cost plus mark-up. If the contract includes an enforceable right to payment for performance completed to date and performance obligations are satisfied over time, we recognize revenue over the development period using either the input or output method depending on which is most appropriate given the nature of the distinct deliverable. For other contracts that do not contain an enforceable right to payment for performance completed to date, revenue is recognized when control of the product is transferred to the customer. Factors that may indicate transfer of control has occurred include the transfer of legal title, transfer of physical possession, the customer has obtained the significant risks and rewards of ownership of the assets, and we have a present right to payment. Our typical payment terms for development contracts may include an upfront payment equal to a percentage of the total contract value with the remaining portion to be billed upon completion and transfer of the individual deliverables or satisfaction of the individual performance obligations. We record a contract liability for cash received in advance of performance, which is presented within deferred revenue and deferred revenue, long-term in our consolidated balance sheets and recognized as revenue in our consolidated statements of income when the associated performance obligations have been satisfied. License fees and milestones received in exchange for the grant of a license to our functional intellectual property, such as patented technology and know-how in connection with a partnered development arrangement, are generally recognized at inception of the arrangement, or over the development period depending on the facts and circumstances, as the license is generally not distinct from the non-licensed goods or services to be provided under the contract. Milestone payments that are contingent upon the occurrence of future events are evaluated and recorded at the most likely amount, and to the extent that it is probable that a significant reversal of revenue will not occur when the associated uncertainty is resolved. Refer to Note 5, Revenue, for further discussion on our collaborative arrangements. Product Sales, Net Proprietary Product Sales Our commercial portfolio of proprietary products includes XYOSTED and Hylenex recombinant which we sell primarily to wholesale pharmaceutical distributors and specialty pharmacies, who sell the products to hospitals, retail chain drug stores and other end-user customers. Sales to wholesalers are made pursuant to purchase orders subject to the terms of a master agreement, and delivery of individual packages of products represents performance obligations under each purchase order. We use contract manufacturers to produce our proprietary products and third-party logistics (“3PL”) vendors to process and fulfill orders. We concluded we are the principal in the sales to wholesalers because we control access to services rendered by both vendors and direct their activities. We have no significant obligations to wholesalers to generate pull-through sales. Revenue is recognized when control has transferred to the customer, which is typically upon delivery, at the net selling price, which reflects the variable consideration for which reserves and sales allowances are established for estimated returns, wholesale distribution fees, prompt payment discounts, government rebates and chargebacks, plan rebate arrangements and patient discount and support programs. We recognize revenue from product sales and related cost of sales upon product delivery to the wholesaler location. At that time, the wholesalers take control of the product as they take title, bear the risk of loss of ownership, and have an enforceable obligation to pay us. They also have the ability to direct sales of product to their customers on terms and at prices they negotiate. Although wholesalers have product return rights, we do not believe they have a significant incentive to return the product to us. The determination of certain reserves and sales allowances requires us to make a number of judgements and estimates to reflect our best estimate of the transaction price and the amount of consideration to which we believe we would be ultimately entitled to receive. The expected value is determined based on unit sales data, contractual terms with customers and third-party payers, historical and estimated future percentage of rebates incurred on sales, historical and future insurance plan billings, any new or anticipated changes in programs or regulations that would impact the amount of the actual rebates, customer purchasing patterns, product expiration dates and levels of inventory in the distribution channel. The estimated amounts of credit for product returns, chargebacks, distribution fees, prompt payment discounts, rebates and customer co-pay support programs are included in accrued expenses and accounts receivable, net in our consolidated balance sheets upon recognition of revenue from product sales. We monitor actual product returns, chargebacks, discounts and fees subsequent to the sale. If these amounts differ from our estimates, we make adjustments to these allowances, which are applied to increase or reduce product sales revenue and earnings in the period of adjustment. Selling prices initially billed to wholesalers are subject to discounts for prompt payment and subsequent chargebacks when wholesalers sell our products at negotiated discounted prices to members of certain group purchasing organizations (“GPOs”), Pharmacy Benefit Managers (“PBMs”) and government programs. We also pay quarterly distribution fees to certain wholesalers for inventory reporting and chargeback processing, and to PBMs and GPOs as administrative fees for services and for access to their members. We concluded the benefits received in exchange for these fees are not distinct from our sales of our products, and accordingly we apply these amounts to reduce revenues. Wholesalers also have rights to return unsold product nearing or past the expiration date. Because of the shelf life of our products and our lengthy return period, there may be a significant period of time between when the product is shipped and when we issue credits on returned product. We estimate the transaction price when we receive each purchase order taking into account the expected reductions of the selling price initially billed to the wholesaler arising from all of the above factors. We have compiled historical experience and data to estimate future returns and chargebacks of our products and the impact of the other discounts and fees we pay. When estimating these adjustments to the transaction price, we reduce it sufficiently to be able to assert that it is probable that there will be no significant reversal of revenue when the ultimate adjustment amounts are known. Each purchase order contains only one type of product, and is usually shipped to the wholesaler in a single shipment. Therefore, allocation of the transaction price to individual packages is not required. In connection with the orders placed by wholesalers, we incur costs such as commissions to our sales representatives. However, as revenue from product sales is recognized upon delivery to the wholesaler, which occurs shortly after we receive a purchase order, we do not capitalize these commissions and other costs, based on application of the practical expedient allowed within the applicable guidance. Partnered Product Sales Bulk rHuPH20 We sell bulk rHuPH20 to partners for use in research and development and, subsequent to receiving marketing approval, we sell it for use in collaboration commercial products. Sales are made pursuant to purchase orders subject to the terms of the collaborative agreement or a supply agreement, and delivery of units of bulk rHuPH20 represent performance obligations under each purchase order. We provide a standard warranty that the product conforms to specifications. We use contract manufacturers to produce bulk rHuPH20 and have concluded we are the principal in the sales to partners. The transaction price for each purchase order of bulk rHuPH20 is fixed based on the cost of production plus a contractual markup, and is not subject to adjustments. Allocation of the transaction price to individual quantities of the product is usually not required because each order contains only one type of product. We recognize revenue from the sale of bulk rHuPH20 as product sales and related cost of sales upon transfer of title to our partners. At that time, the partners take control of the product, bear the risk of loss of ownership, and have an enforceable obligation to pay us. Devices We are party to several license, development, supply and distribution arrangements with pharmaceutical partners, under which we produce and are the exclusive supplier of certain products, devices and/or components. Revenue is recognized when or as control of the goods transfers to the customer as discussed below. We are the exclusive supplier of OTREXUP® to Otter. Because this product is custom manufactured with no alternative use and we have a contractual right to payment for performance completed to date, control is continuously transferred to the customer as the product is produced pursuant to firm purchase orders. Revenue is recognized over time using the output method based on the contractual selling price and number of units produced. The amount of revenue recognized in excess of the amount shipped/billed to the customer, if any, is recorded as contract assets in our consolidated balance sheets due to the short-term nature in which the amount is ultimately expected to be billed and collected from the customer. All other device partnered product sales are recognized at the point in time in which control is transferred to the customer, which is typically upon shipment. Sales terms and pricing are governed by the respective supply and distribution agreements, and there is generally no right of return. Revenue is recognized at the transaction price, which includes the contractual per unit selling price and estimated variable consideration, such as volume-based pricing arrangements or profit-sharing arrangements, if any. We recognize revenue, including the estimated variable consideration we expect to receive for contract margin on future commercial sales, upon shipment of the goods to our partner. The estimated variable consideration is recognized at an amount we believe is not subject to significant reversal of revenue based on historical experience and is adjusted at each reporting period if the most likely amount of expected consideration changes or becomes fixed. Revenue Presentation In our consolidated statements of income, we report the upfront payments, event-based development and regulatory milestones and sales milestones as revenues under collaborative agreements. We also include in this category revenues from separate research and development contracts pursuant to project authorization forms. We report royalties received from partners as a separate line in our consolidated statements of income. Revenues from sales of our proprietary and partnered products are included in product sales, net in our consolidated statements of income. In the footnotes to our consolidated financial statements, we provide disaggregated revenue information by type of arrangement (royalties; product sales, net; and collaborative agreements), and additionally, by type of payment stream received under collaborative agreements (upfront license and target nomination fees; event-based development and regulatory milestones and other fees; sales-based milestones; and device licensing and development revenue). Cost of Sales Cost of sales consists primarily of raw materials, third-party manufacturing costs, fill and finish costs, freight costs, internal costs and manufacturing overhead associated with the production of proprietary and partnered products. Cost of sales also consists of the write-down of excess, dated and obsolete inventories and the write-off of inventories that do not meet certain product specifications, if any. Research and Development Expenses Research and development expenses include salaries and benefits, allocation of facilities and other overhead expenses, research related manufacturing services, contract services, and other outside expenses related to manufacturing, preclinical and regulatory activities and our partner development platforms. Research and development expenses are charged to operating expenses as incurred when these expenditures relate to our research and development efforts and have no alternative future uses. We are obligated to make upfront payments upon execution of certain research and development agreements. Advance payments, including nonrefundable amounts, for goods or services that will be used or rendered for future research and development activities are deferred. Such amounts are recognized as expense as the related goods are delivered or the related services are performed or such time when we do not expect the goods to be delivered or services to be performed. Share-Based Compensation We record compensation expense associated with stock options, restricted stock units (“RSUs”), performance stock units (“PSUs”) and shares issued under our employee stock purchase plan (“ESPP”) in accordance with the authoritative guidance for share-based compensation. The cost of employee services received in exchange for an award of an equity instrument is measured at the grant date, based on the estimated fair value of the award, and is recognized as expense on a straight-line basis over the requisite service period of the award. Share-based compensation expense for an award with a performance condition is recognized when the achievement of such performance condition is determined to be probable. If the outcome of such performance condition is not determined to be probable or is not met, no compensation expense is recognized and any previously recognized compensation expense is reversed. Forfeitures are recognized as a reduction of share-based compensation expense as they occur. Income Taxes We provide for income taxes using the liability method. Under this method, deferred income tax assets and liabilities are determined based on the differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases at each reporting period. We measure deferred tax assets and liabilities using enacted tax rates for the year in which the differences are expected to reverse. Significant judgment is required by management to determine our provision for income taxes, our deferred tax assets and liabilities, and any associated valuation allowances recorded against our net deferred tax assets, which are based on complex and evolving tax regulations. Deferred tax assets (“DTA”) and other tax benefits are recorded when they are more likely than not to be realized. On a quarterly basis, we assess the need for valuation allowance on our DTAs, weighing all positive and negative evidence, to assess if it is more-likely-than-not that some or all of our DTAs will be realized. Segment Information We operate our business in one operating segment, which includes all activities related to the research, development and commercialization of our proprietary enzymes and devices. This segment also includes revenues and expenses related to (i) research and development and manufacturing activities conducted under our collaborative agreements with third parties, and (ii) product sales of proprietary and partnered products. The chief operating decision-maker (“CODM”), our Chief Executive Officer (“CEO”), reviews the operating results on an aggregate basis and manages the operations as a single operating segment. Adoption and Pending Adoption of Recent Accounting Pronouncements The following table provides a brief description of recently issued accounting standards, those adopted in the current period and those not yet adopted:
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Business Combination |
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| Business Combination and Asset Acquisition [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Business Combination | Business Combination On May 24, 2022, we acquired all outstanding equity interests of Antares Pharma, Inc. (“Antares”) according to the terms and conditions of the Agreement and Plan of Merger, dated as of April 12, 2022 (the “Merger Agreement”). Antares is a specialty pharmaceutical company focused primarily on the development and commercialization of pharmaceutical products and technologies that address patient needs in targeted therapeutic areas. We acquired Antares as a part of our strategy to expand as a drug delivery company and include specialty products. The total purchase consideration of Antares was $1,045.7 million. Each share of Antares common stock issued and outstanding was converted into the right to receive $5.60 in cash without interest, less any applicable withholding taxes (“Merger Consideration”). Additionally, in connection with the transaction, each Antares equity award granted and outstanding as of May 24, 2022 under the Antares’ equity compensation plans was converted into the right to receive Merger Consideration. Other components of purchase consideration include cash paid at closing to settle Antares’ existing debt of $19.7 million and seller transaction costs paid by us on behalf of Antares of $22.9 million. The acquisition of Antares was funded by cash on hand and borrowings under the new credit agreement with Bank of America, N.A. (“BofA”) and other lenders that provides for (i) a $350 million revolving credit facility (the “Revolving Credit Facility”) and (ii) a $250 million term loan facility (the “Term Facility”, collectively with the Revolving Credit Facility, the “2022 Facility”) as described in Note 8, Long-term Debt, Net. We recognized transaction costs of $21.9 million in the twelve months ended December 31, 2022. These costs are reported in selling, general and administrative expenses in our consolidated statements of income. Transaction costs include, but are not limited to, investment banker, advisory, legal, and other professional fees. Purchase Consideration The total purchase consideration was comprised of the following (in thousands):
(a) Consideration for Antares equity compensation awards consists of $32.2 million paid for vested equity awards as well as $13.6 million paid for the pre-combination portion of unvested equity awards that were accelerated as part of the Merger Agreement. The fair value of the unvested equity awards attributable to the post-combination period of $8.7 million is included in our consolidated statements of income during the year ended December 31, 2022. Fair Value of Assets Acquired and Liabilities Assumed The acquisition of Antares has been accounted for using the acquisition method of accounting in accordance with authoritative guidance for business combinations, with Halozyme treated as the accounting acquirer, which requires, among other things, that the assets acquired and liabilities assumed be recognized at their fair value on the acquisition date. The table below presents the estimated fair values of assets acquired and liabilities assumed on the acquisition date based on valuations and management estimates (in thousands). Fair value estimates are based on a complex series of judgments about future events and uncertainties and rely heavily on estimates and assumptions. The judgments used to determine the estimated fair value assigned to each class of assets acquired and liabilities assumed, as well as asset lives, can materially impact our results of operations.
Goodwill is the excess of the consideration transferred over the net assets recognized and represents the expected revenue and cost synergies of the combined company and assembled workforce. Goodwill was allocated entirely to the single reportable unit. Goodwill recognized as a result of the acquisition is not deductible for tax purposes. In the first six months of 2023, we recorded measurement period adjustments to increase accrued expenses by $2.0 million, increase deferred tax liabilities by $5.5 million and reduce accounts receivable by $0.2 million. The measurement period adjustments were recorded to reflect facts and circumstances that existed as of the acquisition date. During the second quarter of 2023, we finalized the estimates impacting the allocation of the purchase price consideration. Identifiable Intangible Assets The estimated fair values of identifiable intangible assets were prepared using the excess earnings method which calculates the present value of the incremental after-tax cash flows attributable solely to each intangible asset. The estimated useful lives are based on forecasted periods of benefit for each intangible asset which consider commercialization dates, the estimated revenue cycle based on the products’ competitiveness in the market, and the loss of exclusivity timing with subsequent trending down of revenue. For the ATRS-1902 IPR&D, the useful life is considered indefinite as the asset has not been placed into service. As such, the ATRS-1902 IPR&D will be tested annually for impairment and will not be amortized. Useful lives and final values are presented in the table below.
Unaudited Pro Forma Results Our prior year consolidated financial statements include Antares’ results of operations from the date of acquisition on May 24, 2022 through December 31, 2022. Total revenues and net loss after taxes attributable to Antares during this period and included in our consolidated financial statements for the twelve months ended December 31, 2022 total $112.7 million and $67.6 million, respectively. The following unaudited pro forma financial information summarizes combined results of operations of Halozyme and Antares as if the companies had been combined as of the beginning of our fiscal year 2021 (in thousands).
The unaudited pro forma financial information for all periods presented includes the business combination accounting effects resulting from this acquisition. The unaudited pro forma results include adjustments to reflect the amortization of the inventory step-up and the incremental intangible asset amortization to be incurred based on preliminary valuations of assets as well as certain material non-recurring transaction adjustments related to the acquisition. Adjustments to interest expense, financing costs and investment income were made to reflect the capital structure of the combined entity. Adjustments to income tax expense also were made to reflect the anticipated effective tax rate of the combined entity. The unaudited pro forma financial information as presented is for informational purposes only and is not necessarily indicative of the results of operations that would have been achieved if the acquisition had taken place at the beginning of fiscal year 2021, nor is it necessarily an indication of trends in future results for a number of reasons, including, but not limited to, differences between the assumptions used to prepare the pro forma information, cost savings from operating efficiencies, potential synergies, and the impact of incremental costs incurred in integrating the businesses.
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Fair Value Measurement |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Fair Value Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value Measurement | Fair Value Measurement Available-for-sale marketable securities consisted of the following (in thousands):
As of December 31, 2023, 20 available-for-sale marketable securities with a fair market value of $29.1 million were in a gross unrealized loss position of $46.3 thousand. Based on our review of these marketable securities, we believe none of the unrealized loss is as a result of a credit loss as of December 31, 2023 because we do not intend to sell these securities and it is not more-likely-than-not that we will be required to sell these securities before the recovery of their amortized cost basis. The estimated fair value of our contractual maturities of available-for-sale debt securities were as follows (in thousands):
The following table summarizes, by major security type, our cash equivalents and available-for-sale marketable securities measured at fair value on a recurring basis and are categorized using the fair value hierarchy (in thousands):
(1) Based on observable market transactions of spot currency rates, forward currency rates or equivalently-termed instruments. Carrying amounts of the financial assets and liabilities are equal to the fair value. As of December 31, 2023, the derivative liabilities recorded within accrued expenses and other long-term liabilities were $ and $, respectively. We had no available for sale securities that were classified within Level 3 as of December 31, 2023 and 2022. A contingent liability was assumed as part of the Antares acquisition related to TLANDO. The acquisition date fair value was measured using the income approach, specifically the probability weighted expected return method for the development milestone payments and the option pricing methodology using the Monte Carlo simulation for commercial milestone payments and royalty payments. Estimates and assumptions used in the Monte Carlo simulation include forecasted revenues, cost of debt, risk free rate, weighted average cost of capital, revenue market price risk and revenue volatility. Estimates and assumptions used in the income approach include the probability of achieving certain milestones and a discount rate. These unobservable inputs represent a Level 3 measurement because they are supported by little or no market activity and reflect our own assumptions in measuring fair value. Changes in the fair value subsequent to the acquisition date is recognized in our consolidated statements of income. In September 2023, we provided Lipocine notice of termination of the TLANDO license agreement effective January 31, 2024. Based on the fair value remeasurement performed, we recognized a gain on change in fair value of the contingent liability of $13.2 million for the twelve months ended December 31, 2023 in our consolidated statements of income.
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Revenue |
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| Revenue from Contract with Customer [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Revenue | Revenue Our disaggregated revenues were as follows (in thousands):
During the year ended December 31, 2023 we recognized revenue related to licenses granted to partners in prior periods in the amount of $516.9 million. This amount represents royalties earned in the current period, in addition to $69.0 million of variable consideration in the contracts where uncertainties were resolved and the development milestones are expected to be achieved or were achieved. We also recognized revenue of $3.2 million during the year ended December 31, 2023 that had been included in deferred revenues in our consolidated balance sheets as of December 31, 2022. Accounts receivable, other contract assets and deferred revenues (contract liabilities) from contracts with customers, including partners, consisted of the following (in thousands):
As of December 31, 2023, the amounts included in the transaction price of our contracts with customers, including partners, and allocated to goods and services not yet provided were $80.8 million of which $76.8 million relates to unfulfilled product purchase orders and $4.0 million has been collected and is reported as deferred revenues in our Consolidated Balance Sheets. The unfulfilled product purchase orders are estimated to be delivered by the end of 2024. Of the total deferred revenues of $4.0 million, $0.6 million is expected to be used by our customers within the next 12 months. We recognized contract assets of $1.0 million as of December 31, 2023, which related to development milestones deemed probable of receipt for intellectual property licenses granted to partners in prior periods and for goods or services when control has transferred to the customer, and corresponding revenue is recognized on an over time basis but is not yet billable to the customer in accordance with the terms of the contract.
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Certain Balance Sheet Items |
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| Balance Sheet Related Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Certain Balance Sheet Items | Certain Balance Sheet Items Accounts receivable, net and contract assets consisted of the following (in thousands):
Inventories consisted of the following (in thousands):
Prepaid expenses and other assets consisted of the following (in thousands):
Prepaid manufacturing expenses include raw materials, slot reservation fees and other amounts paid to contract manufacturing organizations. Such amounts are reclassified to work-in-process inventory as materials are used or the contract manufacturing organization services are complete. Property and equipment, net consisted of the following (in thousands):
Depreciation and amortization expense was approximately $11.1 million, $6.5 million, and $3.0 million, inclusive of ROU asset amortization of $5.5 million, $3.0 million and $1.6 million for the years ended December 31, 2023, 2022 and 2021, respectively. Accrued expenses consisted of the following (in thousands):
Expense associated with the accretion of the lease liabilities was approximately $2.5 million, $0.5 million and $0.3 million for the twelve months ended December 31, 2023, 2022 and 2021, respectively. Total lease expense for the twelve months ended December 31, 2023, 2022 and 2021 was $8.0 million, $3.3 million and $1.9 million, respectively. Cash paid for amounts related to leases for the twelve months ended December 31, 2023, 2022 and 2021 was $6.7 million, $4.2 million and $2.7 million, respectively.
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| Goodwill and Intangible Assets Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Goodwill and Intangible Assets | Goodwill and Intangible Assets Goodwill A summary of the activity impacting goodwill is presented below (in thousands):
(1) Refer to Note 3, Business Combination, for further discussion on the measurement period adjustments. Intangible Assets Our acquired intangible assets are amortized using the straight-line method over their estimated useful lives of to ten years. The following table shows the cost, accumulated amortization and weighted average useful life in years for our acquired intangible assets as of December 31, 2023 (in thousands).
(1) An impairment charge of $ was recognized during the year ended December 31, 2023 resulting in the full impairment of the TLANDO product rights intangible asset. The impairment charge resulted from the notice of termination of the TLANDO license agreement provided to Lipocine in September 2023, effective January 31, 2024, and is included in amortization of intangibles in our consolidated statements of income. Estimated future annual amortization of finite-lived intangible assets is shown in the following table (in thousands). Actual amortization expense to be reported in future periods could differ from these estimates as a result of acquisitions, divestitures, and asset impairments, among other factors.
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Long-Term Debt, Net |
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| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-Term Debt, Net | Long-Term Debt, Net 1.00% Convertible Notes due 2028 In August 2022, we completed the sale of $720.0 million in aggregate principal amount of 1.00% Convertible Senior Notes due 2028 (the “2028 Convertible Notes” and collectively with the 2024 Convertible Notes and 2027 Convertible Notes the “Convertible Notes”). The net proceeds in connection with the issuance of the 2028 Convertible Notes, after deducting the initial purchasers’ fee of $18.0 million, was approximately $702.0 million. We also incurred additional debt issuance costs totaling $1.0 million. Debt issuance costs and the initial purchasers’ fee are presented as a debt discount. The 2028 Convertible Notes pay interest semi-annually in arrears on February 15th and August 15th of each year at an annual rate of 1.00%. The 2028 Convertible Notes are general unsecured obligations and rank senior in right of payment to all indebtedness that is expressly subordinated in right of payment to the 2028 Convertible Notes, rank equally in right of payment with all existing and future liabilities that are not so subordinated, are effectively junior to any secured indebtedness to the extent of the value of the assets securing such indebtedness and are structurally subordinated to all indebtedness and other liabilities (including trade payables) of our current or future subsidiaries. The 2028 Convertible Notes have a maturity date of August 15, 2028. Holders may convert their 2028 Convertible Notes at their option only in the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on December 31, 2022, if the last reported sale price per share of common stock exceeds 130% of the conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter; (2) during the five consecutive business days immediately after any five consecutive trading day period (such five consecutive trading day period, the “measurement period”) in which the trading price per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price per share of our common stock on such trading day and the conversion rate on such trading day; (3) upon the occurrence of certain corporate events or distributions on our common stock, as described in the offering memorandum for the 2028 Convertible Notes; (4) if we call such notes for redemption; and (5) at any time from, and including, February 15, 2028 until the close of business on the second scheduled trading day immediately before the maturity date. As of December 31, 2023, the 2028 Convertible Notes were not convertible. Upon conversion, we will pay cash for the settlement of principal, and for the premium, if applicable, we will pay cash, deliver shares of common stock or a combination of cash and shares of common stock, at our election. The initial conversion rate for the 2028 Convertible Notes is 17.8517 shares of common stock per $1,000 in principal amount of 2028 Convertible Notes, equivalent to a conversion price of approximately $56.02 per share of our common stock. The conversion rate is subject to adjustment in some events but will not be adjusted for any accrued or unpaid interest. As of December 31, 2023, we were in compliance with all covenants and there was no material adverse change in our business, operations or financial condition. Capped Call Transactions In connection with the offering of the 2028 Convertible Notes, we entered into capped call transactions with certain counterparties (the “Capped Call Transactions”). The Capped Call Transactions are expected generally to reduce potential dilution to holders of our common stock upon conversion of the 2028 Convertible Notes or at our election (subject to certain conditions) offset any cash payments we are required to make in excess of the principal amount of such converted 2028 Convertible Notes. The cap price of the Capped Call Transactions is initially $75.4075 per share of common stock, representing a premium of 75% above the last reported sale price of $43.09 per share of common stock on August 15, 2022, and is subject to certain adjustments under the terms of the Capped Call Transactions. As of December 31, 2023, no capped calls had been exercised. Pursuant to their terms, the capped calls qualify for classification within stockholders’ equity in our consolidated balance sheets, and their fair value is not remeasured and adjusted as long as they continue to qualify for stockholders’ equity classification. We paid approximately $69.1 million for the Capped Calls, including applicable transaction costs, which was recorded as a reduction to additional paid-in capital in the consolidated balance sheets. The Capped Call Transactions are separate transactions entered into by us with the capped call Counterparties, are not part of the terms of the Convertible Notes, and do not affect any holder’s rights under the Convertible Notes. Holders of the Convertible Notes do not have any rights with respect to the Capped Call Transactions. 0.25% Convertible Notes due 2027 In March 2021, we completed the sale of $805.0 million in aggregate principal amount of 0.25% Convertible Senior Notes due 2027 (the “2027 Convertible Notes”). The net proceeds in connection with the issuance of the 2027 Convertible Notes, after deducting the initial purchasers’ fee of $20.1 million, was approximately $784.9 million. We also incurred additional debt issuance costs totaling $0.4 million. Debt issuance costs and the initial purchasers’ fee are presented as a debt discount. The 2027 Convertible Notes pay interest semi-annually in arrears on March 1st and September 1st of each year at an annual rate of 0.25%. The 2027 Convertible Notes are general unsecured obligations and rank senior in right of payment to all indebtedness that is expressly subordinated in right of payment to the 2027 Convertible Notes, rank equally in right of payment with all existing and future liabilities that are not so subordinated, are effectively junior to any secured indebtedness to the extent of the value of the assets securing such indebtedness and are structurally subordinated to all indebtedness and other liabilities (including trade payables) of our current or future subsidiaries. The 2027 Convertible Notes have a maturity date of March 1, 2027. Holders may convert their 2027 Convertible Notes at their option only in the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on June 30, 2021, if the last reported sale price per share of common stock exceeds 130% of the conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter; (2) during the five consecutive business days immediately after any five consecutive trading day period (such five consecutive trading day period, the “measurement period”) in which the trading price per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price per share of our common stock on such trading day and the conversion rate on such trading day; (3) upon the occurrence of certain corporate events or distributions on our common stock, as described in the offering memorandum for the 2027 Convertible Notes; (4) if we call such notes for redemption; and (5) at any time from, and including, September 1, 2026 until the close of business on the scheduled trading day immediately before the maturity date. As of December 31, 2023, the 2027 Convertible Notes were not convertible. Upon conversion, we will pay cash for the settlement of principal and for the premium, if applicable, we will pay cash, deliver shares of common stock or a combination of cash and shares of common stock, at our election. The initial conversion rate for the 2027 Convertible Notes is 12.9576 shares of common stock per $1,000 in principal amount of 2027 Convertible Notes, equivalent to a conversion price of approximately $77.17 per share of our common stock. The conversion rate is subject to adjustment. As of December 31, 2023, we were in compliance with all covenants and there was no material adverse change in our business, operations or financial condition. 1.25% Convertible Notes due 2024 In November 2019, we completed the sale of $460.0 million in aggregate principal amount of 1.25% Convertible Senior Notes due 2024 (the “2024 Convertible Notes”). The net proceeds in connection with the issuance of the 2024 Convertible Notes, after deducting the initial purchasers’ fee of $12.7 million, was approximately $447.3 million. We also incurred debt issuance cost totaling $0.3 million. Debt issuance costs and the initial purchasers’ fee were presented as a debt discount. In January 2021, we notified the note holders of our irrevocable election to settle the principal of the 2024 Convertible Notes in cash and for the premium, to deliver shares of common stock. The conversion rate for the 2024 Convertible Notes was 41.9208 shares of common stock per $1,000 in principal amount of 2024 Convertible Notes, equivalent to a conversion price of approximately $23.85 per share of our common stock. The conversion rate was subject to adjustment. In March 2021, we completed a privately negotiated, induced conversion of $369.1 million principal amount of the 2024 Convertible Notes (“2021 Note Repurchases” or the “2021 Induced Conversion”). In connection with the 2021 Induced Conversion, we paid approximately $370.2 million in cash, which included principal and accrued interest, and issued approximately 9.08 million shares of our common stock representing the intrinsic value based on the contractual conversion rate and incremental shares as an inducement for conversion. As a result of the 2021 Induced Conversion, we recorded $21.0 million in induced conversion expense which was included in other income (expense) of our consolidated statements of income in 2021. The induced conversion expense represented the fair value of the common stock issued upon conversion in excess of the common stock issuable under the original terms of the 2024 Convertible Notes. In August 2022, we completed a privately negotiated induced conversion of $77.4 million principal amount of the 2024 Convertible Notes (“2022 Note Repurchases” or the “2022 Induced Conversion”). In connection with the 2022 Induced Conversion, we paid approximately $77.6 million in cash, which included principal and accrued interest, and issued approximately 1.51 million shares of our common stock representing the intrinsic value based on the contractual conversion rate and incremental shares as an inducement for conversion. As a result of the 2022 Induced Conversion, we recorded $2.7 million in induced conversion expense which was included in other income (expense) of our consolidated statements of income in 2022. The induced conversion expense represented the fair value of the common stock issued upon conversion in excess of the common stock issuable under the original terms of the 2024 Convertible Notes. In January 2023, we issued a notice for the redemption of 2024 Convertible Notes. Holders of the notes could convert their notes at any time prior to the close of the business day prior to the redemption date. In March 2023, holders of the notes elected to convert the 2024 Convertible Notes in full. In connection with the conversion, we paid approximately $13.5 million in cash which included principal and accrued interest, and issued 288,886 shares of our common stock representing the intrinsic value based on the contractual conversion rate. Net Carrying Amounts of our Convertible Notes The carrying amount and fair value of our Convertible Notes were as follows (in thousands).
The following table summarizes the components of interest expense and the effective interest rates for each of our Convertible Notes (in thousands).
Revolving Credit and Term Loan Facilities (May 2022) In May 2022, in connection with the closing of the Antares acquisition, we entered into a credit agreement, which was subsequently amended, with Bank of America, N.A., as Administrative Agent, Swing Line Lender and an L/C Issuer, and the other lenders and L/C Issuers party thereto (the “2022 Credit Agreement), evidencing a credit facility (the “2022 Facility”) that provides for (i) a $350 million revolving credit facility (the “Revolving Credit Facility”) and (ii) a $250 million term loan facility (the “Term Facility”). Proceeds from a $120 million draw on the Revolving Credit Facility and the $250 million Term Facility were used to fund a portion of the Antares acquisition, repay Antares’ existing debt and pay fees and expenses in connection with the Antares acquisition. The 2022 Credit Agreement contains an expansion feature, which allows us, subject to certain conditions, to increase the aggregate principal amount of the 2022 Facility, provided we remain in compliance with underlying financial covenants on a pro forma basis including the consolidated interest coverage ratio and the consolidated net leverage ratio covenants set forth in the 2022 Credit Agreement. The 2022 Facility will mature on November 30, 2026 unless either the Revolving Credit Facility or the Term Facility is extended prior to such date in accordance with the 2022 Credit Agreement. The Term Facility requires quarterly scheduled repayments of the term loans in each of the first, second, third and fourth years following the closing in annual amounts equal to 2.50%, 5.00%, 7.50% and 10.00% of the initial principal amount of the term loans, respectively. The term loans are also subject to mandatory prepayments from the proceeds of certain asset sales, subject to our right to reinvest the proceeds thereof. Borrowings under the 2022 Facility bear interest, at our option, at a rate equal to an applicable margin plus: (a) the applicable Term Secured Overnight Financing Rate (“SOFR”) (which includes a SOFR adjustment of 0.10%), or (b) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the Bank of America prime rate, (3) the Term SOFR rate for an interest period of one month plus 1.10%, and (4) 1.00%. The margin for the 2022 Facility ranges, based on our consolidated total net leverage ratio, from 0.25% to 1.25% in the case of base rate loans and from 1.25% to 2.25% in the case of Term SOFR rate loans. In addition to paying interest on the outstanding principal under the Facility, we will pay (i) a commitment fee in respect of the unutilized commitments thereunder and (ii) customary letter of credit fees and agency fees. The commitment fees range from 0.15% to 0.35% per annum based on our consolidated net leverage ratio. In August 2022, we entered into Amendment No. 1 to the Credit Agreement (the “Amendment”) among the Company, the Guarantors (as defined in the Credit Agreement), each L/C Issuer from time to time party thereto, Bank of America, N.A., as Administrative Agent (in such capacity, the “Administrative Agent”) and swing line lender (in such capacity, the “Swing Line Lender”), and each lender party thereto, which amends the Credit Agreement dated as of May 24, 2022 (the “Credit Agreement”) among the Company, the Guarantors, the Administrative Agent, the Swing Line Lender, each Lender and the L/C Issuers. The Amendment, among other things, increased the size of the revolving credit facility from $350 million to $575 million. The terms of the Revolving Credit Facility were otherwise unchanged. Concurrently with the entry into the Amendment, we repaid the entire outstanding Term Loan Facility and repaid all outstanding loans under the Revolving Credit Facility under the 2022 Credit Agreement. As of December 31, 2023, the Revolving Credit Facility was undrawn. We incurred a total of $3.6 million in third-party costs related to the 2022 Credit Agreement which are recorded as debt issuance cost within prepaid expenses and other assets in our consolidated balance sheets. As of December 31, 2023, the unamortized debt issuance cost related to the revolving credit facility was $2.3 million. Future maturities and interest payments of long-term debt as of December 31, 2023, are as follows (in thousands):
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Share-based Compensation |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Share-Based Payment Arrangement [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation | Share-based Compensation We currently grant stock options, RSUs and PSUs under the Amended and Restated 2021 Stock Plan (“2021 Stock Plan”), which was approved by the stockholders on May 5, 2021 and provides for the grant of up to 17.8 million shares of common stock to selected employees, consultants and non-employee members of our Board of Directors as stock options, stock appreciation rights (“SARs”), RSAs, RSUs and PSUs. Awards are subject to terms and conditions established by the Compensation Committee of our Board of Directors. During the year ended December 31, 2023, we granted share-based awards under the 2021 Stock Plan. As of December 31, 2023, $7.8 million shares were subject to outstanding awards and $12.1 million shares were available for future grants of share-based awards. Total share-based compensation expense related to share-based awards was comprised of the following (in thousands):
Share-based compensation expense by type of share-based award (in thousands):
Total unrecognized estimated compensation cost by type of award and the weighted-average remaining requisite service period over which such expense is expected to be recognized as of December 31, 2023 (in thousands, unless otherwise noted):
ESPP. In February 2021, our Board of Directors approved our 2021 ESPP and our stockholders approved the plan in May 2021. The ESPP enables eligible employees to purchase shares of our common stock at the end of each offering period at a price equal to 85% of the fair market value of the shares on the first business day or the last business day of the offering period, whichever is lower. Share purchases are funded through payroll deduction of at least 1% and up to 15% of an employee’s compensation for each payroll period, and no employee may purchase shares under the ESPP that exceeds $25,000 worth of our common stock for a calendar year. As of December 31, 2023, 2,604,222 shares were available for future purchase. The offering period is generally for a six-month period and the first offering period commenced on June 16, 2021. Offering periods shall commence on or about the sixteenth day of June and December of each year and end on or about the fifteenth day of the next December and June respectively, occurring thereafter. During the twelve months ended December 31, 2023, 45,881 shares were issued pursuant to the ESPP. Stock Options. Options granted under the 2021 Stock Plan must have an exercise price equal to at least 100% of the fair market value of our common stock on the date of grant. The options generally have a maximum contractual term of ten years and vest at the rate of one-fourth of the shares on the first anniversary of the date of grant and 1/48 of the shares monthly thereafter. Certain option awards provide for accelerated vesting if there is a change in control (as defined in the 2021 Stock Plan). A summary of our stock option award activity as of and for the year ended December 31, 2023 is as follows:
The weighted average grant date fair value of options granted during the years ended December 31, 2023, 2022 and 2021 was $17.72 per share, $14.22 per share and $18.21 per share, respectively. The total intrinsic value of options exercised during the years ended December 31, 2023, 2022 and 2021 was approximately $13.7 million, $21.6 million and $33.5 million, respectively. Cash received from stock option exercises for the years ended December 31, 2023, 2022 and 2021 was approximately $10.0 million, $15.3 million and $16.6 million, respectively. The exercise price of stock options granted is equal to the closing price of the common stock on the date of grant. The fair value of each option award is estimated on the date of grant using the Black-Scholes-Merton option pricing model (“Black-Scholes Model”). Expected volatility is based on historical volatility of our common stock. The expected term of options granted is based on analyses of historical employee termination rates and option exercises. The risk-free interest rate is based on the U.S. Treasury yield for a period consistent with the expected term of the option in effect at the time of the grant. The dividend yield assumption is based on the expectation of no future dividend payments. The assumptions used in the Black-Scholes Model were as follows:
Restricted Stock Units. A RSU is a promise by us to issue a share of our common stock upon vesting of the unit. RSUs will generally vest at the rate of one-fourth of the shares on each anniversary of the date of grant. The following table summarizes our RSU activity during the year ended December 31, 2023:
The estimated fair value of the RSUs was based on the closing market value of our common stock on the date of grant. The total grant date fair value of RSUs vested during the years ended December 31, 2023, 2022 and 2021 was approximately $12.9 million, $8.6 million and $6.6 million, respectively. The fair value of RSUs vested during the years ended December 31, 2023, 2022 and 2021 was approximately $18.3 million, $11.3 million and $19.0 million, respectively. Performance Stock Units. A PSU is a promise by us to issue a share of our common stock upon achievement of a specific performance condition. The following table summarizes our PSU activity during the year ended December 31, 2023:
The estimated fair value of the PSUs was based on the closing market value of our common stock on the date of grant. The fair value of PSUs vested during the years ended December 31, 2023, 2022 and 2021 was $0.2 million, $0.2 million and $0.1 million, respectively.
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Stockholders' Equity |
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| Stockholders' Equity | Stockholders’ Equity During the years ended December 31, 2023, 2022 and 2021, we issued an aggregate of 565,343, 789,870 and 1,179,032 shares of common stock, respectively, in connection with the exercises of stock options, for net proceeds of approximately $10.0 million, $15.3 million and $16.6 million, respectively. For the years ended December 31, 2023, 2022 and 2021, we issued 333,379, 254,907 and 299,958 shares of common stock, respectively, upon vesting of certain RSUs and PSUs for which the RSU holders surrendered 70,733, 68,425 and 94,795 RSUs, respectively, to pay for minimum withholding taxes totaling approximately $7.3 million, $4.4 million and $8.2 million, respectively. Stock options and unvested restricted units totaling approximately 7.8 million, 6.6 million and 5.9 million shares of our common stock were outstanding as of December 31, 2023, 2022 and 2021, respectively. Share Repurchases In December 2021, the Board of Directors authorized a second capital return program to repurchase up to $750.0 million of outstanding stock over a -year period. During 2021, we repurchased 3.9 million shares of common stock for $150.0 million at an average price of $38.51. During 2022, we repurchased 4.5 million shares of common stock for $200.0 million at an average price of $44.44. We accelerated the initiation of our planned 2024 share repurchases and in November 2023, we entered into an Accelerated Share Repurchase (“ASR”) agreement with Bank of America to accelerate the remaining $250.0 million of share repurchases under the approved capital return program. Pursuant to the agreement, at the inception of the ASR, we paid $250.0 million to Bank of America and took initial delivery of 5.5 million shares. All shares repurchased under our capital return programs have been retired and have resumed their status of authorized and unissued shares. As of December 31, 2023, excluding the shares we received under the ASR, we have repurchased a total of 12.6 million shares for $500.0 million at an average price per share of $39.81 under our $750 million 3-year share repurchase plan. We had the following activity under the approved share repurchase programs (dollars in thousands, except share and per share data)
(1)Included in the total cost of shares purchased is a commission fee of $0.02 per share. (2)Purchased through an ASR agreement executed to repurchase $250.0 million of common stock. In November 2023, we took initial delivery of 5.5 million shares in accordance with the ASR. Final shares will be delivered on or before June 10, 2024.
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Earnings per share |
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| Earnings Per Share [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Earnings per share | Earnings per share Basic earnings per share is computed by dividing net income for the period by the weighted average number of common shares outstanding during the period, without consideration for common stock equivalents. Outstanding stock options, unvested RSUs, unvested PSUs, common shares expected to be issued under our ESPP and the Convertible Notes are considered common stock equivalents and are only included in the calculation of diluted earnings per common share when net income is reported and their effect is dilutive. Potentially dilutive common shares issuable upon vesting of stock options, RSUs and PSUs are determined using the average share price for each period under the treasury stock method. Potentially dilutive common shares issuable upon conversion of the Convertible Notes are determined using the if-converted method. Since we have committed to settle the principal amount of the Convertible Notes in cash upon conversion only, the number of shares for the conversion spread will be included as a dilutive common stock equivalent. A reconciliation of the numerators and the denominators of the basic and diluted earnings per share computations is as follows (in thousands, except per share amounts):
Shares which have been excluded from the calculation of diluted earnings per common share because their effect was anti-dilutive, include the following (shares in millions):
(1) The anti-dilutive securities include outstanding stock options, unvested RSUs, unvested PSUs, common shares expected to be issued under our ESPP and Convertible Notes.
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Commitments and Contingencies |
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| Commitments and Contingencies Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies | Commitments and Contingencies Operating Leases Our properties consist of leased office, laboratory, warehouse and assembly facilities. Our administrative offices and research facilities are located in San Diego, California. We also lease a building in Minnetonka, Minnesota consisting of office, assembly operations, and warehousing space, and have a small administrative office in Ewing, New Jersey. We lease an aggregate of approximately 162,000 square feet of space. We pay a pro rata share of operating costs, insurance costs, utilities and real property taxes. Additionally, we lease certain office equipment under operating leases. Total rent expense was approximately $9.3 million, $3.3 million and $2.0 million for the years ended December 31, 2023, 2022 and 2021, respectively. Approximate annual future minimum operating lease payments as of December 31, 2023 are as follows (in thousands):
The weighted-average remaining lease term of our operating leases is approximately 6.66 years. Legal Contingencies From time to time, we may be involved in disputes, including litigation, relating to claims arising out of operations in the normal course of our business. Any of these claims could subject us to costly legal expenses and, while we generally believe that we have adequate insurance to cover many different types of liabilities, our insurance carriers may deny coverage or our policy limits may be inadequate to fully satisfy any damage awards or settlements. If this were to happen, the payment of any such awards could have a material adverse effect on our consolidated results of operations and financial position. Additionally, any such claims, whether or not successful, could damage our reputation and business. We currently are not a party to any legal proceedings, the adverse outcome of which, in our opinion, individually or in the aggregate, would have a material adverse effect on our consolidated results of operations or financial position.
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Income Taxes |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Income Tax Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Income Taxes | Income Taxes Total income (loss) before income taxes summarized by region was as follows (in thousands):
Significant components of our net deferred tax assets (liabilities) were as follows (in thousands).
A valuation allowance of $2.6 million and $0.7 million has been established to offset the net DTAs as of December 31, 2023 and 2022, respectively, as realization of such assets is uncertain. On a periodic basis, we reassess the valuation allowance of our DTAs, weighing all positive and negative evidence, to assess if it is more-likely-than-not that some or all of our DTAs will be realized. In 2021, we demonstrated profitability and cumulative pretax income and are forecasting income growth in future tax years. After assessing both the positive and negative evidence, we determined that it was more likely than not that our DTAs would be realized and released the valuation allowance in 2021. On May 24, 2022, we acquired the outstanding shares of Antares. This transaction was treated as a non-taxable acquisition. We have increased our DTLs by approximately $119.7 million related to the acquired intellectual property and a step-up to the value of the inventory, the amortization of which will not be tax deductible. Income tax expense (benefit) was comprised of the following components (in thousands):
The provision for income taxes on earnings subject to income taxes differs from the statutory federal income tax rate due to the following:
As of December 31, 2023, our unrecognized tax benefit and uncertain tax positions were $21.9 million, which will impact the effective tax rate when resolved. Of the unrecognized tax benefits, we do not expect any significant changes to occur in the next 12 months. Interest and/or penalties related to uncertain income tax positions are recognized by us as a component of income tax expense. For the years ended December 31, 2023, 2022 and 2021, we recognized an immaterial amount of interest and penalties. The following table summarizes the activity related to our unrecognized tax benefits (in thousands):
As of December 31, 2023, we had federal, California and other state tax net operating loss carryforwards of approximately $46.8 million, $235.8 million and $66.8 million, respectively. The California and Minnesota net operating loss carryforwards begin to expire in 2037 and 2028, respectively. As of December 31, 2023, we had federal and California research and development tax credit carryforwards of approximately $38.4 million, and $24.8 million, respectively. The federal research and development tax credits will begin to expire in 2030 unless previously utilized. The California research and development tax credits will carryforward indefinitely until utilized. Pursuant to Internal Revenue Code Section 382, the annual use of the net operating loss carryforwards and research and development tax credits could be limited by any greater than 50% ownership change during any three-year testing period. As a result of any such ownership change, portions of our net operating loss carryforwards and research and development tax credits are subject to annual limitations. We completed an updated Section 382 analysis regarding the limitation of the net operating losses and research and development credits as of the acquisition of Antares. Based upon the analysis, we determined that ownership changes occurred in prior years; however, the annual limitations on net operating loss and research and development tax credit carryforwards will not have a material impact on the future utilization of such carryforwards. We do not provide for U.S. income taxes on the undistributed earnings of our foreign subsidiary as it is our intention to utilize those earnings in the foreign operations for an indefinite period of time. As of December 31, 2023 and 2022, there were no undistributed earnings in foreign subsidiaries. We are subject to taxation in the U.S. and in various state and foreign jurisdictions. Our tax years for 2008 and forward are subject to examination by the U.S., California, and Minnesota tax authorities due to the carryforward of unutilized net operating losses and research and development credits.
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Employee Savings Plan |
12 Months Ended |
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Dec. 31, 2023 | |
| Retirement Benefits [Abstract] | |
| Employee Savings Plan | Employee Savings Plan We have an employee savings plan pursuant to Section 401(k) of the Internal Revenue Code. All employees are eligible to participate, provided they meet the requirements of the plan. We are not required to make matching contributions under the plan. However, we voluntarily contributed to the plan approximately $3.3 million, $2.6 million and $1.1 million for the years ended December 31, 2023, 2022 and 2021, respectively.
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Schedule II Valuation and Qualifying Accounts |
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Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule II Valuation and Qualifying Accounts | Valuation and Qualifying Accounts (in thousands)
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Pay vs Performance Disclosure - USD ($) $ in Thousands |
12 Months Ended | ||
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Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Pay vs Performance Disclosure | |||
| Net income | $ 281,594 | $ 202,129 | $ 402,710 |
Insider Trading Arrangements |
3 Months Ended |
|---|---|
Dec. 31, 2023 | |
| Trading Arrangements, by Individual | |
| Rule 10b5-1 Arrangement Adopted | false |
| Non-Rule 10b5-1 Arrangement Adopted | false |
| Rule 10b5-1 Arrangement Terminated | false |
| Non-Rule 10b5-1 Arrangement Terminated | false |
Summary of Significant Accounting Policies (Policies) |
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| Accounting Policies [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Use of Estimates | Use of Estimates The preparation of consolidated financial statements in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”) requires us to make estimates and assumptions that affect the amounts reported in our consolidated financial statements and accompanying notes. On an ongoing basis, we evaluate our estimates and judgments, which are based on historical and anticipated results and trends and on various other assumptions that we believe to be reasonable under the circumstances. By their nature, estimates are subject to an inherent degree of uncertainty and, as such, actual results may differ from our estimates.
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| Cash Equivalents | Cash Equivalents and Marketable Securities Cash equivalents consist of highly liquid investments, readily convertible to cash, which mature within 90 days or less from the date of purchase. As of December 31, 2023, our cash and cash equivalents consisted of money market funds, bank certificate of deposits, U.S. treasury securities and demand deposits at commercial banks.
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| Marketable Securities | Marketable securities are investments with original maturities of more than 90 days from the date of purchase that are specifically identified to fund current operations. Marketable securities are considered available-for-sale. These investments are classified as current assets, even though the stated maturity date may be one year or more beyond the current balance sheet date which reflects management’s intention to use the proceeds from the sale of these investments to fund our operations, as necessary. Such available-for-sale investments are carried at fair value with unrealized gains and losses recorded in other comprehensive income (loss) and included as a separate component of stockholders’ equity. The cost of marketable securities is adjusted for amortization of premiums or accretion of discounts to maturity, and such amortization or accretion is included in investment and other income, net in our consolidated statements of income. We use the specific identification method for calculating realized gains and losses on marketable securities sold. None of the realized gains and losses and declines in value that were judged to be as a result of credit loss on marketable securities, if any, are included in investment and other income, net in our consolidated statements of income.
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| Restricted Cash | Restricted Cash Under the lease terms of our facilities, we may be required to maintain letters of credit as security deposits during the terms of such leases. As of December 31, 2023, no restricted cash remained pledged as collateral for the letters of credit as the associated lease was terminated. As of December 31, 2022, restricted cash of $0.5 million was pledged as collateral for the letters of credit.
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| Fair Value of Financial Instruments | Fair Value of Financial Instruments The authoritative guidance for fair value measurements establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions. Our financial instruments include cash equivalents, available-for-sale marketable securities, accounts receivable, prepaid expenses and other assets, accounts payable, accrued expenses and long-term debt. Fair value estimates of these instruments are made at a specific point in time based on relevant market information. These estimates may be subjective in nature and involve uncertainties and matters of significant judgment and therefore, cannot be determined with precision. The carrying amount of cash equivalents, accounts receivable, prepaid expenses and other assets, accounts payable and accrued expenses are generally considered to be representative of their respective fair values because of the short-term nature of those instruments. Available-for-sale marketable securities consist of asset-backed securities, corporate debt securities, U.S. Treasury securities, agency bonds and commercial paper, and are measured at fair value using Level 1 and Level 2 inputs. Level 2 financial instruments are valued using market prices on less active markets and proprietary pricing valuation models with observable inputs, including interest rates, yield curves, maturity dates, issue dates, settlement dates, reported trades, broker-dealer quotes, issue spreads, benchmark securities or other market related data. We obtain the fair value of Level 2 investments from our investment manager, who obtains these fair values from a third-party pricing source. We validate the fair values of Level 2 financial instruments provided by our investment manager by comparing these fair values to a third-party pricing source.
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| Concentration of Credit Risk, Sources of Supply and Significant Customers | Concentrations of Credit Risk, Sources of Supply and Significant Customers We are subject to credit risk from our portfolio of cash equivalents and marketable securities. These investments were made in accordance with our investment policy which specifies the categories, allocations, and ratings of securities we may consider for investment. The primary objective of our investment activities is to preserve principal while at the same time maximizing the income we receive without significantly increasing risk. We maintain our cash and cash equivalent balances with two major commercial banks and marketable securities with one other financial institution. Deposits held with the financial institutions exceed the amount of insurance provided on such deposits. We are exposed to credit risk in the event of a default by the financial institutions holding our cash, cash equivalents and marketable securities to the extent recorded on the consolidated balance sheets. We are also subject to credit risk from our accounts receivable related to our product sales and revenues under our license and collaborative agreements. We have license and collaborative agreements with pharmaceutical companies under which we receive payments for royalties, license fees, milestone payments for specific achievements designated in the collaborative agreements, reimbursements of research and development services and supply of bulk formulation of rHuPH20. In addition, we sell proprietary products in the United States (“U.S.”) to a limited number of established wholesale distributors in the pharmaceutical industry. Credit is extended based on an evaluation of the customer’s financial condition, and collateral is not required. Management monitors our exposure to accounts receivable by periodically evaluating the collectability of the accounts receivable based on a variety of factors including the length of time the receivables are past due, the financial health of the customer and historical experience. Based upon the review of these factors, we recorded no allowance for doubtful accounts as of December 31, 2023 and 2022. Approximately 69% of the accounts receivable balance as of December 31, 2023 represents amounts due from Janssen, Roche and Teva. Approximately 52% of the accounts receivable balance as of December 31, 2022 represents amounts due from Janssen and Roche. The following table indicates the percentage of total revenues in excess of 10% with any single customer:
We attribute revenues under collaborative agreements, including royalties, to the individual countries where the customer is headquartered. We attribute revenues from product sales to the individual countries to which the product is shipped. Worldwide revenues from external customers are summarized by geographic location in the following table (in thousands):
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| Accounts Receivable, Net | Accounts Receivable, net Accounts receivable is recorded at the invoiced amount and is non-interest bearing. Accounts receivable is recorded net of cash discounts for prompt payment, distribution fees and chargebacks. We recorded no allowance for doubtful accounts as of December 31, 2023 and 2022 as the collectability of accounts receivable was reasonably assured.
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| Inventories | Inventories Inventories are stated at lower of cost or net realizable value. Cost is determined on a first-in, first-out basis. Net realizable value is the estimated selling price in the ordinary course of business, less reasonably predictable costs of completion, disposal, and transportation. Inventories are reviewed periodically for potential excess, dated or obsolete status. We evaluate the carrying value of inventories on a regular basis, taking into account such factors as historical and anticipated future sales compared to quantities on hand, the price we expect to obtain for products in their respective markets compared with historical cost and the remaining shelf life of goods on hand.
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| Leases | Leases We have entered into operating leases primarily for real estate and automobiles. These leases have contractual terms which range from 3 years to 12 years. We determine if an arrangement contains a lease at inception. Right of use (“ROU”) assets and liabilities resulting from operating leases are included in property and equipment, accrued expenses and other long-term liabilities on our consolidated balance sheets. Operating lease ROU assets and liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. As most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date in determining the discount rate to calculate the present value of future payments. The operating lease ROU asset also includes any lease payments made and excludes lease incentives and initial direct costs incurred. Our leases often include options to extend or terminate the lease. These options are included in the lease term when it is reasonably certain that we will exercise that option. Short-term leases with an initial term of 12 months or less are not recorded on the balance sheet. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term. We have lease agreements with lease and non-lease components, which are generally accounted for separately. For certain leases, such as automobiles, we account for the lease and non-lease components as a single lease component.
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| Property and Equipment, Net | Property and Equipment, Net Property and equipment, including ROU assets are recorded at cost, less accumulated depreciation and amortization. Equipment is depreciated using the straight-line method over its estimated useful life ranging from three years to ten years and leasehold improvements are amortized using the straight-line method over the estimated useful life of the asset or the lease term, whichever is shorter.
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| Impairment of Long-Lived Assets | Impairment of Long-Lived Assets We account for long-lived assets in accordance with authoritative guidance for impairment or disposal of long-lived assets. Long-lived assets are reviewed for events or changes in circumstances, which indicate that their carrying value may not be recoverable.
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| Comprehensive Income | Comprehensive Income Comprehensive income is defined as the change in equity during the period from transactions and other events and circumstances from non-owner sources.
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| Convertible Notes | Convertible Notes The 2024 Convertible Notes, the 2027 Convertible Notes and the 2028 Convertible Notes (collectively, the “Convertible Notes”) are accounted for in accordance with authoritative guidance for debt and derivatives. We evaluate all the embedded conversion options contained in the Convertible Notes to determine if there are embedded features that require bifurcation as a derivative as required by U.S. GAAP. Based on our analysis, we account for each of our Convertible Notes as single units of accounting, a liability, because we concluded that the conversion features do not require bifurcation as a derivative under embedded derivative authoritative guidance.
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| Cash Flow Hedges - Currency Risks | Cash Flow Hedges - Currency Risks Beginning in the second quarter of 2023, we entered into a cash flow hedging program to mitigate foreign currency exchange risk associated with forecasted royalty revenue denominated in Swiss francs. Under the program, we can hedge these forecasted royalties up to a maximum of four years into the future. We hedge these cash flow exposures to reduce the risk of our earnings and cash flows being adversely affected by fluctuations in exchange rates. In accordance with the hedge accounting treatment, all hedging relationships are formally documented at the inception of the hedge and are highly effective in offsetting changes to future cash flows on hedged transactions. Both at inception of the hedge and on an ongoing basis, we assess whether the foreign currency forward contracts are highly effective in offsetting changes in cash flows of hedged items on a prospective and retrospective basis. If we determine a (i) foreign currency forward contract is not highly effective as a cash flow hedge, (ii) foreign currency forward contract has ceased to be a highly effective hedge or (iii) forecasted transaction is no longer probable of occurring, we would discontinue hedge accounting treatment prospectively. We measure effectiveness based on the change in fair value of the forward currency forward contract and the fair value of the hypothetical foreign currency forward contract with terms that match the critical terms of the risk being hedged. No portion of our foreign currency forward contracts were excluded from the assessment of hedge effectiveness. As of December 31, 2023, all hedges were determined to be highly effective. The assets or liabilities associated with our hedging contracts are recorded at fair market value in prepaid expense and other current assets, accrued expenses, or other long-term liabilities, respectively, in our consolidated balance sheets. Gains and losses related to changes in the fair market value of these hedging contracts are recorded as a component of accumulated other comprehensive income (loss) (“AOCI”) within stockholder’s equity in our consolidated balance sheets and reclassified to royalty revenue in our consolidated statements of income in the same period as the recognition of the underlying hedged transaction. In the event the underlying forecasted transaction does not occur, or it becomes probable that it will not occur, within the defined hedge period, we reclassify the gains or losses on the related cash flow hedge from AOCI to royalties revenue in our consolidated statements of income. Settlements from the cash flow hedge are included in operating activities on the Consolidated Statements of Cash Flows. Since the fair market value of these hedging contracts is derived from current market rates, the hedging contracts are classified as derivative financial instruments. We do not use derivatives for speculative or trading purposes. As of December 31, 2023, amounts expected to be recognized as a net gain out of AOCI into our consolidated statements of income during the next 12 months, are not material.
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| Business Combinations | Business Combinations Under the acquisition method of accounting, we allocate the fair value of the total consideration transferred to the tangible and identifiable intangible assets acquired and liabilities assumed based on their estimated fair values on the date of acquisition. These valuations require us to make estimates and assumptions, especially with respect to intangible assets. We record the excess consideration over the aggregate fair value of tangible and intangible assets, net of liabilities assumed, as goodwill. Costs incurred to complete a business combination, such as legal and other professional fees, are expensed as incurred. If the initial accounting for a business combination is incomplete by the end of a reporting period that falls within the measurement period, we report provisional amounts in our financial statements. During the measurement period, we adjust the provisional amounts recognized at the acquisition date to reflect new information obtained about facts and circumstances that existed as of the acquisition date that, if known, would have affected the measurement of the amounts recognized as of that date. We record these adjustments to the provisional amounts with a corresponding offset to goodwill. Any adjustments identified after the measurement period are recorded in our consolidated statements of income.
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| Goodwill and Intangible Assets | Goodwill, Intangible Assets and Other Long-Lived Asset Assets acquired, including intangible assets and in-process research and development (“IPR&D”), and liabilities assumed are measured at fair value as of the acquisition date. Goodwill, which has an indefinite useful life, represents the excess of cost over fair value of the net assets acquired. Intangible assets acquired in a business combination that are used for IPR&D activities are considered indefinite lived until the completion or abandonment of the associated research and development efforts. Upon reaching the end of the relevant research and development project (i.e., upon commercialization), the IPR&D asset is amortized over its estimated useful life. If the relevant research and development project is abandoned, the IPR&D asset is expensed in the period of abandonment. Goodwill and IPR&D are not amortized; however, they are reviewed for impairment at least annually during the second quarter, or more frequently if an event occurs indicating the potential for impairment. Goodwill and IPR&D are considered to be impaired if the carrying value of the reporting unit or IPR&D asset exceeds its respective fair value. We perform our goodwill impairment analysis at the reporting unit level, which aligns with our reporting and operating segment structure and availability of discrete financial information. During the goodwill impairment review, we assess qualitative factors to determine whether it is more likely than not that the fair values of our reporting unit is less than the carrying amount, including goodwill. The qualitative factors include, but are not limited to, macroeconomic conditions, industry and market considerations, and our overall financial performance. If, after assessing the totality of these qualitative factors, we determine that it is not more likely than not that the fair value of our reporting unit is less than the carrying amounts, then no additional assessment is deemed necessary. Otherwise, we proceed to compare the estimated fair value of the reporting unit with the carrying value, including goodwill. If the carrying amount of the reporting unit exceeds the fair value, we record an impairment loss based on the difference. We may elect to bypass the qualitative assessment in a period and proceed to perform the quantitative goodwill impairment test. Our identifiable intangible assets with finite useful lives are typically comprised of acquired device technologies and product rights. The cost of identifiable intangible assets with finite lives is generally amortized on a straight-line basis over the assets’ respective estimated useful lives.
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| Intangible Assets and Other Long-Lived Assets | We perform regular reviews to determine if any event has occurred that may indicate intangible assets with finite useful lives and other long-lived assets are potentially impaired. If indicators of impairment exist, an impairment test is performed to assess the recoverability of the affected assets by determining whether the carrying amount of such assets exceeds the undiscounted expected future cash flows. If the affected assets are not recoverable, we estimate the fair value of the assets and record an impairment loss if the carrying value of the assets exceeds the fair value. Factors that may indicate potential impairment include a significant decline in our stock price and market capitalization compared to the net book value, significant changes in the ability of a particular asset to generate positive cash flows for our strategic business objectives, and the pattern of utilization of a particular asset.
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| Revenue Recognition | Revenue Recognition We generate revenues from payments received (i) as royalties from licensing our ENHANZE technology and other royalty arrangements, (ii) under collaborative agreements and (iii) from sales of our proprietary and partnered products. We recognize revenue when we transfer promised goods or services to customers in an amount that reflects the consideration to which we expect to be entitled in exchange for those goods or services. To determine revenue recognition for contracts with customers, we perform the following five steps: (i) identify the promised goods or services in the contract; (ii) identify the performance obligations in the contract, including whether they are distinct in the context of the contract; (iii) determine the transaction price, including the constraint on variable consideration; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue when (or as) we satisfy the performance obligations. ENHANZE and Device Royalties Under the terms of our ENHANZE collaboration and license agreements, our partners will pay us royalties at an on average mid-single digit percent rate of their sales if products under the collaboration are commercialized. All amounts owed to us are noncancelable after the underlying triggering event occurs, and nonrefundable once paid. Unless terminated earlier in accordance with its terms, collaborations generally continue in effect until the last to expire royalty payment term, as determined on a product by product and country by country basis, with each royalty term starting on the first commercial sale of that product and ending the later of: (i) a specified period or term set forth in the agreement or (ii) expiration of the last to expire of the valid claims of our patents covering rHuPH20 or other specified patents developed under the collaboration which valid claim covers a product developed under the collaboration. In general, when there are no valid claims of a specified patent developed under the collaboration covering the product in a given country, the royalty rate is reduced for those sales in that country upon the expiration of our patents covering rHuPH20. Janssen’s patents covering DARZALEX SC do not impact the timing for this royalty reduction. Partners may terminate the agreement prior to expiration for any reason in its entirety or on a target-by-target basis generally upon 90 days prior written notice to us. Upon any such termination, the license granted to partners (in total or with respect to the terminated target, as applicable) will terminate provided; however, that in the event of expiration of the agreement (as opposed to a termination), the on-going licenses granted will become perpetual, non-exclusive and fully paid. Sales-based milestones and royalties are recognized in the period the underlying sales or milestones occur. We do not receive final royalty reports from our ENHANZE partners until after we complete our financial statements for a prior quarter. Therefore, we recognize revenue based on estimates of the royalty earned, which are based on internal estimates and available preliminary reports provided by our partners. We will record adjustments in the following quarter, if necessary, when final royalty reports are received. To date, we have not recorded any material adjustments. We also earn royalties in connection with several of our licenses granted under license and development arrangements with our device partners. These royalties are based upon a percentage of commercial sales of partnered products with rates ranging from mid-single digits to low double digits and are tiered based on levels of net sales. These sales-based royalties, for which the license was deemed the predominant element to which the royalties relate, are estimated and recognized in the period in which the partners’ commercial sales occur. The royalties are generally reported and payable to us within 45 to 60 days after the end of the period in which the commercial sales are made. We base our estimates of royalties earned on actual sales information from our partners when available or estimated, prescription sales from external sources and estimated net selling price. We will record adjustments in the following quarter, if necessary, when final royalty reports are received. To date, we have not recorded any material adjustments. Revenue under ENHANZE and Device Collaborative Agreements ENHANZE Collaboration and License Agreements Under these agreements, we grant the collaboration partner a worldwide license to develop and commercialize products using our ENHANZE technology to combine our patented rHuPH20 enzyme with their proprietary biologics directed at up to a specified number of targets. Targets are usually licensed on an exclusive, global basis. Targets selected subsequent to inception of the arrangement generally require payment of an additional license fee. The collaboration partner is responsible for all development, manufacturing, clinical, regulatory, sales and marketing costs for any products developed under the agreement. We are responsible for supply of bulk rHuPH20 based on the collaboration partner’s purchase orders, and may also be separately engaged to perform research and development services. While these collaboration agreements are similar in that they originate from the same framework, each one is the result of an arms-length negotiation and thus may vary from one to the other. We generally collect an upfront license payment from collaboration partners, and are also entitled to receive event-based payments subject to collaboration partners’ achievement of specified development, regulatory and sales-based milestones. In several agreements, collaboration partners pay us annual fees to maintain their exclusive license rights if they are unable to advance product development to specified stages. We earn separate fees for bulk rHuPH20 supplies and research and development services. Although these agreements are in form identified as collaborative agreements, we concluded for accounting purposes they represent contracts with customers and are not subject to accounting literature on collaborative arrangements. This is because we grant to partners licenses to our intellectual property and provide supply of bulk rHuPH20 and research and development services which are all outputs of our ongoing activities, in exchange for respective consideration. Under these collaborative agreements, our partners lead development of assets, and we do not share in significant financial risks of their development or commercialization activities. Accordingly, we concluded our collaborative agreements are appropriately accounted for pursuant to U.S. GAAP. Under all of our ENHANZE collaborative agreements, we have identified licenses to use functional intellectual property as the only performance obligation. The intellectual property underlying the license is our proprietary ENHANZE technology which represents application of rHuPH20 to facilitate delivery of drugs. Each of the licenses grants the partners rights to use our intellectual property as it exists and is identified on the effective date of the license, because there is no ongoing development of the ENHANZE technology required. Therefore, we recognize revenue from licenses at the point when the license becomes effective and the partner has received access to our intellectual property, usually at the inception of the agreement. When partners can select additional targets to add to the licenses granted, we consider these rights to be options. We evaluate whether such options contain material rights, i.e. have exercise prices that are discounted compared to what we would charge for a similar license to a new partner. The exercise price of these options includes a combination of the target selection fees, event-based milestone payments and royalties. When these amounts in aggregate are not offered at a discount that exceeds discounts available to other customers, we conclude the option does not contain a material right, and we consider grants of additional licensing rights upon option exercises to be separate contracts (target selection contracts). Generally, we provide indemnification and protection of licensed intellectual property for our customers. These provisions are part of assurance that the licenses meet the agreements’ representations and are not obligations to provide goods or services. We also fulfill purchase orders for supply of bulk rHuPH20 and perform research and development services pursuant to projects authorization forms for our partners, which represent separate contracts. In addition to our licenses, we price our supply of bulk rHuPH20 and research and development services at our regular selling prices, called standalone selling prices (“SSP”). Therefore, our partners do not have material rights to order these items at prices not reflective of SSP. Refer to the discussion below regarding recognition of revenue for these separate contracts. Transaction price for a contract represents the amount to which we are entitled in exchange for providing goods and services to the customer. Transaction price does not include amounts subject to uncertainties unless it is probable that there will be no significant reversal of revenue when the uncertainty is resolved. Apart from the upfront license payment (or target selection fees in the target selection contracts), all other fees we may earn under our collaborative agreements are subject to significant uncertainties of product development. Achievement of many of the event-based development and regulatory milestones may not be probable until such milestones are actually achieved. This generally relates to milestones such as obtaining marketing authorization approvals. With respect to other development milestones, e.g., dosing of a first patient in a clinical trial, achievement could be considered probable prior to its actual occurrence, based on the progress towards commencement of the trial. In order to evaluate progress towards commencement of a trial, we assess the status of activities leading up to our partner’s initiation of a trial such as feedback received from the applicable regulatory authorities, completion of Investigational New Drug (“IND”) or equivalent filings, readiness and availability of drug, readiness of study sites and our partner’s commitment of resources to the program. We do not include any amounts subject to uncertainties in the transaction price until it is probable that the amount will not result in a significant reversal of revenue in the future. At the end of each reporting period, we re-evaluate the probability of achievement of such milestones and any related constraint, and if necessary, adjust our estimate of the overall transaction price. When target exchange rights are held by partners, and the amounts attributed to these rights are not refundable, they are included in the transaction price. However, they are recorded as deferred revenues because we have a potential performance obligation to provide a new target upon an exchange right being exercised. These amounts are recognized in revenue when the right of exchange expires or is exercised. Because our agreements have one type of performance obligation (licenses) which are typically all transferred at the same time at agreement inception, allocation of transaction price often is not required. However, allocation is required when licenses for some of the individual targets are subject to rights of exchange, because revenue associated with these targets cannot be recognized. When allocation is needed, we perform an allocation of the upfront amount based on relative SSP of licenses for individual targets. We determine license SSP using an income-based valuation approach utilizing risk-adjusted discounted cash flow projections of the estimated return a licensor would receive. When amounts subject to uncertainties, such as milestones and royalties, are included in the transaction price, we attribute them to the specific individual target licenses which generate such milestone or royalty amounts. We also estimate SSP of bulk rHuPH20 and research and development services, to determine that our partners do not have material rights to order them at discounted prices. For supplies of bulk rHuPH20, because we effectively act as a contract manufacturer to our partners, we estimate and charge SSP based on the typical contract manufacturer margins consistent with all of our partners. We determine SSP of research and development services based on a fully-burdened labor rate. Our rates are comparable to those we observe in other collaborative agreements. We also have a history of charging similar rates to all of our partners. Upfront amounts allocated to licenses to individual targets are recognized as revenue when the license is transferred to the partner, as discussed above, if the license is not subject to exchange rights, or when the exchange right expires or is exercised. Development milestones and other fees are recognized in revenue when they are included in the transaction price, because by that time, we have already transferred the related license to the partner. In contracts to provide research and development services, such services represent the only performance obligation. The fees are charged based on hours worked by our employees and the fixed contractual rate per hour, plus third-party pass-through costs, on a monthly basis. We recognize revenues as the related services are performed based on the amounts billed, as the partner consumes the benefit of research and development work simultaneously as we perform these services, and the amounts billed reflect the value of these services to the customer. Device License, Development and Supply Arrangements We have several license, development and supply arrangements with pharmaceutical partners, under which we grant a license to our device technology and provide research and development services that often involve multiple performance obligations and highly-customized deliverables. For such arrangements, we identify each of the promised goods and services within the contract and the distinct performance obligations at inception of the contract and allocate consideration to each performance obligation based on relative SSP, which is generally determined based on the expected cost plus mark-up. If the contract includes an enforceable right to payment for performance completed to date and performance obligations are satisfied over time, we recognize revenue over the development period using either the input or output method depending on which is most appropriate given the nature of the distinct deliverable. For other contracts that do not contain an enforceable right to payment for performance completed to date, revenue is recognized when control of the product is transferred to the customer. Factors that may indicate transfer of control has occurred include the transfer of legal title, transfer of physical possession, the customer has obtained the significant risks and rewards of ownership of the assets, and we have a present right to payment. Our typical payment terms for development contracts may include an upfront payment equal to a percentage of the total contract value with the remaining portion to be billed upon completion and transfer of the individual deliverables or satisfaction of the individual performance obligations. We record a contract liability for cash received in advance of performance, which is presented within deferred revenue and deferred revenue, long-term in our consolidated balance sheets and recognized as revenue in our consolidated statements of income when the associated performance obligations have been satisfied. License fees and milestones received in exchange for the grant of a license to our functional intellectual property, such as patented technology and know-how in connection with a partnered development arrangement, are generally recognized at inception of the arrangement, or over the development period depending on the facts and circumstances, as the license is generally not distinct from the non-licensed goods or services to be provided under the contract. Milestone payments that are contingent upon the occurrence of future events are evaluated and recorded at the most likely amount, and to the extent that it is probable that a significant reversal of revenue will not occur when the associated uncertainty is resolved. Refer to Note 5, Revenue, for further discussion on our collaborative arrangements. Product Sales, Net Proprietary Product Sales Our commercial portfolio of proprietary products includes XYOSTED and Hylenex recombinant which we sell primarily to wholesale pharmaceutical distributors and specialty pharmacies, who sell the products to hospitals, retail chain drug stores and other end-user customers. Sales to wholesalers are made pursuant to purchase orders subject to the terms of a master agreement, and delivery of individual packages of products represents performance obligations under each purchase order. We use contract manufacturers to produce our proprietary products and third-party logistics (“3PL”) vendors to process and fulfill orders. We concluded we are the principal in the sales to wholesalers because we control access to services rendered by both vendors and direct their activities. We have no significant obligations to wholesalers to generate pull-through sales. Revenue is recognized when control has transferred to the customer, which is typically upon delivery, at the net selling price, which reflects the variable consideration for which reserves and sales allowances are established for estimated returns, wholesale distribution fees, prompt payment discounts, government rebates and chargebacks, plan rebate arrangements and patient discount and support programs. We recognize revenue from product sales and related cost of sales upon product delivery to the wholesaler location. At that time, the wholesalers take control of the product as they take title, bear the risk of loss of ownership, and have an enforceable obligation to pay us. They also have the ability to direct sales of product to their customers on terms and at prices they negotiate. Although wholesalers have product return rights, we do not believe they have a significant incentive to return the product to us. The determination of certain reserves and sales allowances requires us to make a number of judgements and estimates to reflect our best estimate of the transaction price and the amount of consideration to which we believe we would be ultimately entitled to receive. The expected value is determined based on unit sales data, contractual terms with customers and third-party payers, historical and estimated future percentage of rebates incurred on sales, historical and future insurance plan billings, any new or anticipated changes in programs or regulations that would impact the amount of the actual rebates, customer purchasing patterns, product expiration dates and levels of inventory in the distribution channel. The estimated amounts of credit for product returns, chargebacks, distribution fees, prompt payment discounts, rebates and customer co-pay support programs are included in accrued expenses and accounts receivable, net in our consolidated balance sheets upon recognition of revenue from product sales. We monitor actual product returns, chargebacks, discounts and fees subsequent to the sale. If these amounts differ from our estimates, we make adjustments to these allowances, which are applied to increase or reduce product sales revenue and earnings in the period of adjustment. Selling prices initially billed to wholesalers are subject to discounts for prompt payment and subsequent chargebacks when wholesalers sell our products at negotiated discounted prices to members of certain group purchasing organizations (“GPOs”), Pharmacy Benefit Managers (“PBMs”) and government programs. We also pay quarterly distribution fees to certain wholesalers for inventory reporting and chargeback processing, and to PBMs and GPOs as administrative fees for services and for access to their members. We concluded the benefits received in exchange for these fees are not distinct from our sales of our products, and accordingly we apply these amounts to reduce revenues. Wholesalers also have rights to return unsold product nearing or past the expiration date. Because of the shelf life of our products and our lengthy return period, there may be a significant period of time between when the product is shipped and when we issue credits on returned product. We estimate the transaction price when we receive each purchase order taking into account the expected reductions of the selling price initially billed to the wholesaler arising from all of the above factors. We have compiled historical experience and data to estimate future returns and chargebacks of our products and the impact of the other discounts and fees we pay. When estimating these adjustments to the transaction price, we reduce it sufficiently to be able to assert that it is probable that there will be no significant reversal of revenue when the ultimate adjustment amounts are known. Each purchase order contains only one type of product, and is usually shipped to the wholesaler in a single shipment. Therefore, allocation of the transaction price to individual packages is not required. In connection with the orders placed by wholesalers, we incur costs such as commissions to our sales representatives. However, as revenue from product sales is recognized upon delivery to the wholesaler, which occurs shortly after we receive a purchase order, we do not capitalize these commissions and other costs, based on application of the practical expedient allowed within the applicable guidance. Partnered Product Sales Bulk rHuPH20 We sell bulk rHuPH20 to partners for use in research and development and, subsequent to receiving marketing approval, we sell it for use in collaboration commercial products. Sales are made pursuant to purchase orders subject to the terms of the collaborative agreement or a supply agreement, and delivery of units of bulk rHuPH20 represent performance obligations under each purchase order. We provide a standard warranty that the product conforms to specifications. We use contract manufacturers to produce bulk rHuPH20 and have concluded we are the principal in the sales to partners. The transaction price for each purchase order of bulk rHuPH20 is fixed based on the cost of production plus a contractual markup, and is not subject to adjustments. Allocation of the transaction price to individual quantities of the product is usually not required because each order contains only one type of product. We recognize revenue from the sale of bulk rHuPH20 as product sales and related cost of sales upon transfer of title to our partners. At that time, the partners take control of the product, bear the risk of loss of ownership, and have an enforceable obligation to pay us. Devices We are party to several license, development, supply and distribution arrangements with pharmaceutical partners, under which we produce and are the exclusive supplier of certain products, devices and/or components. Revenue is recognized when or as control of the goods transfers to the customer as discussed below. We are the exclusive supplier of OTREXUP® to Otter. Because this product is custom manufactured with no alternative use and we have a contractual right to payment for performance completed to date, control is continuously transferred to the customer as the product is produced pursuant to firm purchase orders. Revenue is recognized over time using the output method based on the contractual selling price and number of units produced. The amount of revenue recognized in excess of the amount shipped/billed to the customer, if any, is recorded as contract assets in our consolidated balance sheets due to the short-term nature in which the amount is ultimately expected to be billed and collected from the customer. All other device partnered product sales are recognized at the point in time in which control is transferred to the customer, which is typically upon shipment. Sales terms and pricing are governed by the respective supply and distribution agreements, and there is generally no right of return. Revenue is recognized at the transaction price, which includes the contractual per unit selling price and estimated variable consideration, such as volume-based pricing arrangements or profit-sharing arrangements, if any. We recognize revenue, including the estimated variable consideration we expect to receive for contract margin on future commercial sales, upon shipment of the goods to our partner. The estimated variable consideration is recognized at an amount we believe is not subject to significant reversal of revenue based on historical experience and is adjusted at each reporting period if the most likely amount of expected consideration changes or becomes fixed. Revenue Presentation In our consolidated statements of income, we report the upfront payments, event-based development and regulatory milestones and sales milestones as revenues under collaborative agreements. We also include in this category revenues from separate research and development contracts pursuant to project authorization forms. We report royalties received from partners as a separate line in our consolidated statements of income. Revenues from sales of our proprietary and partnered products are included in product sales, net in our consolidated statements of income. In the footnotes to our consolidated financial statements, we provide disaggregated revenue information by type of arrangement (royalties; product sales, net; and collaborative agreements), and additionally, by type of payment stream received under collaborative agreements (upfront license and target nomination fees; event-based development and regulatory milestones and other fees; sales-based milestones; and device licensing and development revenue).
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| Cost of Sales | Cost of Sales Cost of sales consists primarily of raw materials, third-party manufacturing costs, fill and finish costs, freight costs, internal costs and manufacturing overhead associated with the production of proprietary and partnered products. Cost of sales also consists of the write-down of excess, dated and obsolete inventories and the write-off of inventories that do not meet certain product specifications, if any.
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| Research and Development Expenses | Research and Development Expenses Research and development expenses include salaries and benefits, allocation of facilities and other overhead expenses, research related manufacturing services, contract services, and other outside expenses related to manufacturing, preclinical and regulatory activities and our partner development platforms. Research and development expenses are charged to operating expenses as incurred when these expenditures relate to our research and development efforts and have no alternative future uses. We are obligated to make upfront payments upon execution of certain research and development agreements. Advance payments, including nonrefundable amounts, for goods or services that will be used or rendered for future research and development activities are deferred. Such amounts are recognized as expense as the related goods are delivered or the related services are performed or such time when we do not expect the goods to be delivered or services to be performed.
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| Share-Based Compensation | Share-Based Compensation We record compensation expense associated with stock options, restricted stock units (“RSUs”), performance stock units (“PSUs”) and shares issued under our employee stock purchase plan (“ESPP”) in accordance with the authoritative guidance for share-based compensation. The cost of employee services received in exchange for an award of an equity instrument is measured at the grant date, based on the estimated fair value of the award, and is recognized as expense on a straight-line basis over the requisite service period of the award. Share-based compensation expense for an award with a performance condition is recognized when the achievement of such performance condition is determined to be probable. If the outcome of such performance condition is not determined to be probable or is not met, no compensation expense is recognized and any previously recognized compensation expense is reversed. Forfeitures are recognized as a reduction of share-based compensation expense as they occur.
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| Income Taxes | Income Taxes We provide for income taxes using the liability method. Under this method, deferred income tax assets and liabilities are determined based on the differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases at each reporting period. We measure deferred tax assets and liabilities using enacted tax rates for the year in which the differences are expected to reverse. Significant judgment is required by management to determine our provision for income taxes, our deferred tax assets and liabilities, and any associated valuation allowances recorded against our net deferred tax assets, which are based on complex and evolving tax regulations. Deferred tax assets (“DTA”) and other tax benefits are recorded when they are more likely than not to be realized. On a quarterly basis, we assess the need for valuation allowance on our DTAs, weighing all positive and negative evidence, to assess if it is more-likely-than-not that some or all of our DTAs will be realized.
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| Segment Information | Segment InformationWe operate our business in one operating segment, which includes all activities related to the research, development and commercialization of our proprietary enzymes and devices. This segment also includes revenues and expenses related to (i) research and development and manufacturing activities conducted under our collaborative agreements with third parties, and (ii) product sales of proprietary and partnered products. The chief operating decision-maker (“CODM”), our Chief Executive Officer (“CEO”), reviews the operating results on an aggregate basis and manages the operations as a single operating segment | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Adoption and Pending Adoption of Recent Accounting Pronouncements | Adoption and Pending Adoption of Recent Accounting Pronouncements The following table provides a brief description of recently issued accounting standards, those adopted in the current period and those not yet adopted:
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Summary of Significant Accounting Policies (Tables) |
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| Accounting Policies [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedules of Concentration of Risk, by Risk Factor | The following table indicates the percentage of total revenues in excess of 10% with any single customer:
We attribute revenues under collaborative agreements, including royalties, to the individual countries where the customer is headquartered. We attribute revenues from product sales to the individual countries to which the product is shipped. Worldwide revenues from external customers are summarized by geographic location in the following table (in thousands):
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Business Combination (Tables) |
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| Business Combination and Asset Acquisition [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Total Purchase Price Consideration | The total purchase consideration was comprised of the following (in thousands):
(a) Consideration for Antares equity compensation awards consists of $32.2 million paid for vested equity awards as well as $13.6 million paid for the pre-combination portion of unvested equity awards that were accelerated as part of the Merger Agreement. The fair value of the unvested equity awards attributable to the post-combination period of $8.7 million is included in our consolidated statements of income during the year ended December 31, 2022.
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| Schedule of Recognized Identified Assets Acquired and Liabilities Assumed |
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| Schedule of Acquired Finite-Lived Intangible Assets by Major Class | Useful lives and final values are presented in the table below.
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| Schedule of Acquired Indefinite-lived Intangible Assets by Major Class | Useful lives and final values are presented in the table below.
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| Business Acquisition, Pro Forma Information (unaudited) | The following unaudited pro forma financial information summarizes combined results of operations of Halozyme and Antares as if the companies had been combined as of the beginning of our fiscal year 2021 (in thousands).
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Fair Value Measurement (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of available-for-sale marketable securities | Available-for-sale marketable securities consisted of the following (in thousands):
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| Schedule of contractual maturities of available-for-sale debt securities | The estimated fair value of our contractual maturities of available-for-sale debt securities were as follows (in thousands):
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| Schedule of assets measured at fair value on a recurring basis | The following table summarizes, by major security type, our cash equivalents and available-for-sale marketable securities measured at fair value on a recurring basis and are categorized using the fair value hierarchy (in thousands):
(1) Based on observable market transactions of spot currency rates, forward currency rates or equivalently-termed instruments. Carrying amounts of the financial assets and liabilities are equal to the fair value. As of December 31, 2023, the derivative liabilities recorded within accrued expenses and other long-term liabilities were $ and $, respectively.
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Revenue (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Revenue from Contract with Customer [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disaggregation of Revenue | Our disaggregated revenues were as follows (in thousands):
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| Contract with Customer, Asset and Liability | Accounts receivable, other contract assets and deferred revenues (contract liabilities) from contracts with customers, including partners, consisted of the following (in thousands):
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Certain Balance Sheet Items (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Balance Sheet Related Disclosures [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary of Accounts Receivable | Accounts receivable, net and contract assets consisted of the following (in thousands):
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| Summary of Inventories | Inventories consisted of the following (in thousands):
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| Summary of Prepaid Expenses and Other Assets | Prepaid expenses and other assets consisted of the following (in thousands):
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| Summary of Property and Equipment | Property and equipment, net consisted of the following (in thousands):
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| Summary of Accrued Expenses | Accrued expenses consisted of the following (in thousands):
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Goodwill and Intangible Assets (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Goodwill and Intangible Assets Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Goodwill | A summary of the activity impacting goodwill is presented below (in thousands):
(1) Refer to Note 3, Business Combination, for further discussion on the measurement period adjustments.
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| Schedule of Finite-Lived Intangible Assets Accumulated Amortization and Weighted Average Useful Lives | The following table shows the cost, accumulated amortization and weighted average useful life in years for our acquired intangible assets as of December 31, 2023 (in thousands).
(1) An impairment charge of $ was recognized during the year ended December 31, 2023 resulting in the full impairment of the TLANDO product rights intangible asset. The impairment charge resulted from the notice of termination of the TLANDO license agreement provided to Lipocine in September 2023, effective January 31, 2024, and is included in amortization of intangibles in our consolidated statements of income.
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| Schedule of Indefinite-Lived Intangible Assets | The following table shows the cost, accumulated amortization and weighted average useful life in years for our acquired intangible assets as of December 31, 2023 (in thousands).
(1) An impairment charge of $ was recognized during the year ended December 31, 2023 resulting in the full impairment of the TLANDO product rights intangible asset. The impairment charge resulted from the notice of termination of the TLANDO license agreement provided to Lipocine in September 2023, effective January 31, 2024, and is included in amortization of intangibles in our consolidated statements of income.
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| Schedule of Finite-Lived Intangible Assets, Estimated Future Amortization Expense | Estimated future annual amortization of finite-lived intangible assets is shown in the following table (in thousands). Actual amortization expense to be reported in future periods could differ from these estimates as a result of acquisitions, divestitures, and asset impairments, among other factors.
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Long-Term Debt, Net (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Carrying Values and Fair Values of Convertible Notes | The carrying amount and fair value of our Convertible Notes were as follows (in thousands).
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| Components of Interest Expense and the Effective Interest Rates | The following table summarizes the components of interest expense and the effective interest rates for each of our Convertible Notes (in thousands).
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| Future Maturities Interest Payments of Long-term Debt | Future maturities and interest payments of long-term debt as of December 31, 2023, are as follows (in thousands):
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Share-based Compensation (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Share-Based Payment Arrangement [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Expense Related To Share-based Payment Awards Excluding Acceleration of Antares Equity Awards | Total share-based compensation expense related to share-based awards was comprised of the following (in thousands):
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| Share-based Compensation Expense By Type | Share-based compensation expense by type of share-based award (in thousands):
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| Total Unrecognized Estimated Compensation Cost By Type Of Award and Weighted Average Remaining Requisite Service Period | Total unrecognized estimated compensation cost by type of award and the weighted-average remaining requisite service period over which such expense is expected to be recognized as of December 31, 2023 (in thousands, unless otherwise noted):
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| Summary of Stock Option Award Activity | A summary of our stock option award activity as of and for the year ended December 31, 2023 is as follows:
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| Schedule of Valuation Assumptions | The assumptions used in the Black-Scholes Model were as follows:
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| Summary of RSU Activity | The following table summarizes our RSU activity during the year ended December 31, 2023:
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| Schedule of PSU Activity | The following table summarizes our PSU activity during the year ended December 31, 2023:
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Stockholders' Equity (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Activity under Approved Share Repurchase Programs | We had the following activity under the approved share repurchase programs (dollars in thousands, except share and per share data)
(1)Included in the total cost of shares purchased is a commission fee of $0.02 per share. (2)Purchased through an ASR agreement executed to repurchase $250.0 million of common stock. In November 2023, we took initial delivery of 5.5 million shares in accordance with the ASR. Final shares will be delivered on or before June 10, 2024.
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Earnings per share (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Earnings Per Share [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Earnings Per Share, Basic and Diluted | A reconciliation of the numerators and the denominators of the basic and diluted earnings per share computations is as follows (in thousands, except per share amounts):
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| Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share | Shares which have been excluded from the calculation of diluted earnings per common share because their effect was anti-dilutive, include the following (shares in millions):
(1) The anti-dilutive securities include outstanding stock options, unvested RSUs, unvested PSUs, common shares expected to be issued under our ESPP and Convertible Notes.
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Commitments and Contingencies (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Future Minimum Operating Lease Payments | Approximate annual future minimum operating lease payments as of December 31, 2023 are as follows (in thousands):
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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 Taxes Summarized By Region | Total income (loss) before income taxes summarized by region was as follows (in thousands):
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| Schedule of Components of Deferred Tax Assets and Liabilities | Significant components of our net deferred tax assets (liabilities) were as follows (in thousands).
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| Schedule of Components of Income Tax Expense (Benefit) | Income tax expense (benefit) was comprised of the following components (in thousands):
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| Schedule of Reconciliation of Provision for Income Taxes to Federal Income Tax Rate | The provision for income taxes on earnings subject to income taxes differs from the statutory federal income tax rate due to the following:
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| Summary of Change in Unrecognized Tax Benefits | The following table summarizes the activity related to our unrecognized tax benefits (in thousands):
|
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Summary of Significant Accounting Policies - Restricted Cash (Details) - USD ($) |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Restricted Cash and Investments, Current [Abstract] | ||
| Restricted cash | $ 0 | $ 500,000 |
Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($) |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Accounting Policies [Abstract] | ||
| Accounts receivable, allowance for credit loss | $ 0 | $ 0 |
Summary of Significant Accounting Policies - Leases (Details) |
Dec. 31, 2023 |
|---|---|
| Minimum | |
| Operating lease, term of contract | 3 years |
| Maximum | |
| Operating lease, term of contract | 12 years |
Summary of Significant Accounting Policies - Property and Equipment (Details) |
Dec. 31, 2023 |
|---|---|
| Minimum | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful lives (years) | 3 years |
| Maximum | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful lives (years) | 10 years |
Summary of Significant Accounting Policies - Cash Flow Hedges, Currency Risk (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2023 | |
| Accounting Policies [Abstract] | |
| Cash flow hedge program, hedge of forecasted royalties, maximum future period | 4 years |
Summary of Significant Accounting Policies - Segment information (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2023
segment
| |
| Segment Reporting [Abstract] | |
| Number of operating segments | 1 |
Business Combination - Purchase Consideration (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
May 24, 2022 |
Dec. 31, 2022 |
|
| Business Acquisition [Line Items] | ||
| Share-based compensation expense | $ 8,700 | |
| Antares Pharma, Inc | ||
| Business Acquisition [Line Items] | ||
| Cash consideration for Antares shares outstanding as of May 24, 2022 | $ 956,886 | |
| Consideration for Antares equity compensation awards | 45,828 | |
| Consideration for seller transaction costs paid by Halozyme | 22,906 | |
| Consideration related to Antares closing indebtedness settled by Halozyme | 19,683 | |
| Cash consideration related to cash bonus awards paid by Halozyme | 365 | |
| Purchase consideration | 1,045,668 | |
| Antares Pharma, Inc | Equity Compensation Awards, Vested | ||
| Business Acquisition [Line Items] | ||
| Consideration for Antares equity compensation awards | 32,200 | |
| Antares Pharma, Inc | Equity Compensation Awards, Unvested | ||
| Business Acquisition [Line Items] | ||
| Consideration for Antares equity compensation awards | $ 13,600 |
Business Combination - Intangible Assets Acquired (Details) - Antares Pharma, Inc - USD ($) $ in Thousands |
7 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2023 |
|
| Business Acquisition [Line Items] | ||
| Fair value of intangible assets acquired | $ 589,800 | $ 589,800 |
| ATRS-1902 (IPR&D) | ||
| Business Acquisition [Line Items] | ||
| Indefinite-lived intangible assets acquired | 48,700 | |
| Auto-Injector technology platform | ||
| Business Acquisition [Line Items] | ||
| Finite-lived intangible assets acquired | 402,000 | |
| Useful life (years) | 7 years | |
| XYOSTED proprietary product | ||
| Business Acquisition [Line Items] | ||
| Finite-lived intangible assets acquired | 136,200 | |
| Useful life (years) | 10 years | |
| TLANDO product rights | ||
| Business Acquisition [Line Items] | ||
| Finite-lived intangible assets acquired | $ 2,900 | |
| Useful life (years) | 10 years |
Business Combination - Summary of Proforma Financial Information (Details) - Antares Pharma, Inc - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Business Acquisition [Line Items] | ||
| Total revenues | $ 712,683 | $ 627,292 |
| Net income | $ 218,723 | $ 295,634 |
Fair Value Measurement - Narrative (Details) |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2023
USD ($)
security
|
Dec. 31, 2022
USD ($)
|
Dec. 31, 2021
USD ($)
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||
| Number of securities in unrealized loss position | security | 20 | ||
| Securities in continuous unrealized loss position, less than 12 months | $ 29,100,000 | ||
| Securities in continuous unrealized loss position, less than 12 months, accumulated loss | 46,300 | ||
| Available-for-sale marketable securities | 217,630,000 | $ 128,599,000 | |
| Contingent liability fair value measurement gain | 13,200,000 | 0 | $ 0 |
| Antares Pharma, Inc | |||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||
| Contingent liability fair value measurement gain | 13,200,000 | ||
| Level 3 | |||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||
| Available-for-sale marketable securities | $ 0 | $ 0 | |
Fair Value Measurement - Maturities (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Due within one year | $ 197,633 | $ 114,353 |
| Due after one year but within five years | 19,997 | 14,246 |
| Estimated Fair Value | $ 217,630 | $ 128,599 |
Revenue - Contract with Customer, Asset and Liability (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Revenue from Contract with Customer [Abstract] | ||
| Accounts receivable, net | $ 233,254 | $ 186,970 |
| Contract assets | 1,000 | |
| Deferred revenues | $ 4,048 | $ 0 |
Certain Balance Sheet Items - Accounts Receivable, Net and Contract Assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Contract assets | $ 956 | $ 44,102 |
| Total accounts receivable and contract assets | 240,957 | 232,986 |
| Allowance for distribution fees and discounts | (6,747) | (1,914) |
| Total accounts receivable, net and contract assets | 234,210 | 231,072 |
| Sale of device partnered products | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable | 58,588 | 62,979 |
| Revenues under collaborative agreements | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable | 16,183 | 18,776 |
| Royalties | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable | 118,170 | 100,900 |
| Other product sales | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable | $ 47,060 | $ 6,229 |
Certain Balance Sheet Items - Inventories (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Inventory Disclosure [Abstract] | ||
| Raw materials | $ 23,646 | $ 13,792 |
| Work-in-process | 34,025 | 40,361 |
| Finished goods | 69,930 | 45,970 |
| Total inventories, net | $ 127,601 | $ 100,123 |
Certain Balance Sheet Items - Prepaid Expenses and Other Assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Prepaid Expense and Other Assets, Current [Abstract] | ||
| Prepaid manufacturing expenses | $ 36,850 | $ 51,694 |
| Other prepaid expenses | 12,902 | 4,647 |
| Other assets | 16,677 | 14,984 |
| Total prepaid expenses and other assets | 66,429 | 71,325 |
| Less: Long-term portion | (17,816) | (26,301) |
| Total prepaid expenses and other assets, current | $ 48,613 | $ 45,024 |
Certain Balance Sheet Items - Property and Equipment (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Property and equipment, gross | $ 57,769 | $ 49,857 |
| Accumulated depreciation and amortization | (19,661) | (14,756) |
| Subtotal | 38,108 | 35,101 |
| Right of use of assets | 36,836 | 40,469 |
| Property and equipment, net | $ 74,944 | $ 75,570 |
| Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Property and equipment, net | Property and equipment, net |
| Research equipment | ||
| Property and equipment, gross | $ 8,588 | $ 7,380 |
| Manufacturing equipment | ||
| Property and equipment, gross | 32,472 | 27,893 |
| Computer and office equipment | ||
| Property and equipment, gross | 9,722 | 7,855 |
| Leasehold improvements | ||
| Property and equipment, gross | $ 6,987 | $ 6,729 |
Certain Balance Sheet Items - Property and Equipment, Net Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Depreciation and amortization | |||
| Depreciation and amortization | $ 11,083 | $ 6,493 | $ 2,997 |
| ROU amortization | $ 5,500 | $ 3,000 | $ 1,600 |
Certain Balance Sheet Items - Accrued Expenses (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Summary of Accrued Expenses | |||
| Accrued compensation and payroll taxes | $ 17,361 | $ 19,939 | |
| Accrued outsourced manufacturing expenses | 12,361 | 12,190 | |
| Income taxes payable | 963 | 0 | |
| Product returns and sales allowance | 41,932 | 30,261 | |
| Other accrued expenses | 33,584 | 35,270 | |
| Lease liability | 32,197 | 34,788 | |
| Total accrued expenses | 138,398 | 132,448 | |
| Less long-term portion | (37,720) | (32,686) | |
| Total accrued expenses, current | $ 100,678 | $ 99,762 | |
| Operating Lease, Liability, Statement of Financial Position [Extensible List] | Total accrued expenses, current | Total accrued expenses, current | |
| Operating lease, accretion of liability | $ 2,500 | $ 500 | $ 300 |
| Operating lease, cost | 8,000 | 3,300 | 1,900 |
| Operating lease payments | $ 6,700 | $ 4,200 | $ 2,700 |
Goodwill and Intangible Assets - Goodwill Rollforward (Details) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2023
USD ($)
| |
| Goodwill [Roll Forward] | |
| Goodwill, Beginning Balance | $ 409,049 |
| Measurement period adjustment | 7,772 |
| Goodwill, Ending Balance | $ 416,821 |
Goodwill and Intangible Assets - Additional Information (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2023 | |
| Minimum | |
| Goodwill [Line Items] | |
| Weighted average useful life (in years) | 7 years |
| Maximum | |
| Goodwill [Line Items] | |
| Weighted average useful life (in years) | 10 years |
Goodwill and Intangible Assets - Future Amortization (Details) $ in Thousands |
Dec. 31, 2023
USD ($)
|
|---|---|
| Goodwill and Intangible Assets Disclosure [Abstract] | |
| 2024 | $ 71,049 |
| 2025 | 71,049 |
| 2026 | 71,049 |
| 2027 | 71,049 |
| 2028 | 71,049 |
| Thereafter | 68,934 |
| Total | $ 424,179 |
Long-Term Debt, Net - Future Maturities and Interest Payments (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Debt Disclosure [Abstract] | ||
| 2024 | $ 9,213 | |
| 2025 | 9,213 | |
| 2026 | 9,213 | |
| 2027 | 812,535 | |
| 2028 | 724,480 | |
| Thereafter | 0 | |
| Total minimum payments | 1,564,654 | |
| Less amount representing coupon interest | (39,654) | |
| Gross balance of long-term debt | 1,525,000 | |
| Less unamortized debt discount | 25,752 | $ 32,383 |
| Carrying value of long-term debt | 1,499,248 | 1,506,100 |
| Less current portion of long-term debt | 0 | 13,334 |
| Long-term debt, less current portion and unamortized debt discount | $ 1,499,248 | $ 1,492,766 |
Share-based Compensation - Schedule of Share-based Compensation Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Total share-based compensation expense | $ 36,620 | $ 24,397 | $ 20,820 |
| Stock options | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Total share-based compensation expense | 16,351 | 10,973 | 10,252 |
| RSAs, RSUs, PSUs and ESPP | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Total share-based compensation expense | 20,269 | 13,424 | 10,568 |
| Research and development | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Total share-based compensation expense | 13,345 | 9,903 | 6,992 |
| Selling, general and administrative | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Total share-based compensation expense | $ 23,275 | $ 14,494 | $ 13,828 |
Share-based Compensation - Unrecognized Expense (Details) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2023
USD ($)
| |
| Stock options | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized Expense | $ 39,841 |
| Remaining Weighted-Average Recognition Period ( in years) | 2 years 8 months 4 days |
| RSUs | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized Expense | $ 33,566 |
| Remaining Weighted-Average Recognition Period ( in years) | 2 years 4 months 2 days |
| PSUs | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized Expense | $ 6,110 |
| Remaining Weighted-Average Recognition Period ( in years) | 1 year 5 months 4 days |
| Employee Stock | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized Expense | $ 262 |
| Remaining Weighted-Average Recognition Period ( in years) | 5 months 12 days |
Share-based Compensation - Valuation (Details) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Schedule of Share-based Compensation Arrangements Valuation Inputs [Line Items] | |||
| Average expected term (in years) | 4 years 9 months 18 days | 4 years 8 months 12 days | 4 years 8 months 12 days |
| Risk free interest rate, minimum | 3.37% | 1.37% | 0.36% |
| Risk free interest rate, maximum | 4.72% | 4.27% | 1.20% |
| Expected dividend yield | 0.00% | 0.00% | 0.00% |
| Minimum | |||
| Schedule of Share-based Compensation Arrangements Valuation Inputs [Line Items] | |||
| Expected volatility | 39.68% | 39.91% | 41.01% |
| Maximum | |||
| Schedule of Share-based Compensation Arrangements Valuation Inputs [Line Items] | |||
| Expected volatility | 40.82% | 50.81% | 46.45% |
Share-based Compensation - Performance Stock Units (Details) - PSUs - USD ($) $ / shares in Units, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] | |||
| Outstanding, Beginning (in shares) | 142,844 | ||
| Granted (in shares) | 106,174 | ||
| Vested (in shares) | (3,803) | ||
| Forfeited (in shares) | (2,660) | ||
| Outstanding, Ending (in shares) | 242,555 | 142,844 | |
| Weighted Average Grant Date Fair Value | |||
| Outstanding, Beginning (in usd per share) | $ 46.01 | ||
| Granted (in usd per share) | 59.34 | ||
| Vested (in usd per share) | 49.35 | ||
| Forfeited (in usd per share) | 52.79 | ||
| Outstanding, Ending (in usd per share) | $ 51.72 | $ 46.01 | |
| Aggregate intrinsic value, vested | $ 0.2 | $ 0.2 | $ 0.1 |
Stockholders' Equity - Share Repurchase Activity (Details) - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 3 Months Ended | 12 Months Ended | 25 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|
Nov. 30, 2023 |
Dec. 31, 2023 |
Sep. 30, 2023 |
Jun. 30, 2023 |
Mar. 31, 2023 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2023 |
|
| Equity [Abstract] | |||||||||
| Total Number of Shares Purchased (in shares) | 0 | 0 | 0 | 4,165,258 | 4,165,258 | ||||
| Weighted Average Price Paid Per Share (in usd per share) | $ 0 | $ 0 | $ 0 | $ 36.01 | $ 36.01 | $ 44.44 | $ 38.51 | $ 39.81 | |
| Total Cost | $ 0 | $ 0 | $ 0 | $ 150,083 | $ 150,083 | $ 200,000 | $ 150,000 | $ 500,000 | |
| Fee per share (usd per share) | $ 0.02 | ||||||||
| Accelerated Share Repurchases [Line Items] | |||||||||
| Value of stock repurchased | $ 0 | $ 0 | $ 0 | $ 150,083 | $ 150,083 | $ 200,000 | $ 150,000 | $ 500,000 | |
| Accelerated share repurchases (in shares) | 0 | 0 | 0 | 4,165,258 | 4,165,258 | ||||
| ASR Agreement | |||||||||
| Equity [Abstract] | |||||||||
| Total Number of Shares Purchased (in shares) | 5,452,563 | ||||||||
| Weighted Average Price Paid Per Share (in usd per share) | $ 0 | ||||||||
| Total Cost | $ 250,000 | $ 250,000 | |||||||
| Accelerated Share Repurchases [Line Items] | |||||||||
| Value of stock repurchased | $ 250,000 | $ 250,000 | |||||||
| Accelerated share repurchases (in shares) | 5,452,563 | ||||||||
Earnings per share - Shares Excluded from the Calculation of Diluted Net Income Per Common Share (Details) - shares shares in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Earnings Per Share [Abstract] | |||
| Anti-dilutive securities | 27.8 | 20.7 | 13.8 |
Commitments and Contingencies - Operating Leases Narative (Details) ft² in Thousands, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2023
USD ($)
ft²
|
Dec. 31, 2022
USD ($)
|
Dec. 31, 2021
USD ($)
|
|
| Commitments and Contingencies Disclosure [Abstract] | |||
| Leased space | ft² | 162 | ||
| Operating lease, expense | $ | $ 9.3 | $ 3.3 | $ 2.0 |
| Weighted average remaining lease term | 6 years 7 months 28 days | ||
Commitments and Contingencies - Annual Future Minimum Lease Payments (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Commitments and Contingencies Disclosure [Abstract] | ||
| 2024 | $ 6,580 | |
| 2025 | 6,025 | |
| 2026 | 5,676 | |
| 2027 | 5,296 | |
| 2028 | 5,447 | |
| Thereafter | 11,686 | |
| Total minimum lease payments | 40,710 | |
| Less imputed interest | (8,513) | |
| Total | $ 32,197 | $ 34,788 |
Income Taxes - Income (Loss) Before Income Taxes Summarized by Region (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Income Tax Disclosure [Abstract] | |||
| United States | $ 348,828 | $ 248,918 | $ 248,071 |
| Foreign | (499) | 0 | 447 |
| Net income before income taxes | $ 348,329 | $ 248,918 | $ 248,518 |
Income Taxes - Components of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Deferred tax assets | ||
| Net operating loss carryforwards | $ 32,753 | $ 32,887 |
| Deferred revenue | 31 | 837 |
| Research and development and orphan drug credits | 38,192 | 96,133 |
| Share-based compensation | 5,024 | 6,353 |
| ASC 842 lease liability | 7,258 | 2,480 |
| Capitalized research expense | 19,543 | 10,168 |
| Transaction related expense | 0 | 2,354 |
| Inventory related reserves | 13,561 | 18,395 |
| Other, net | 6,715 | 3,054 |
| Total deferred tax assets | 123,077 | 172,661 |
| Valuation allowance for deferred tax assets | (2,588) | (707) |
| Deferred tax assets, net of valuation allowance | 120,489 | 171,954 |
| Deferred tax liabilities | ||
| Non-deductible book amortization | (103,492) | (115,578) |
| Depreciation | (3,522) | (2,559) |
| ASC 842 right of use asset | (8,259) | (9,061) |
| Other, net | (830) | (330) |
| Total deferred tax liabilities | (116,103) | (127,528) |
| Net deferred tax asset | $ 4,386 | $ 44,426 |
Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Income Tax Disclosure [Abstract] | |||
| Current - federal | $ 24,963 | $ 6,157 | $ (9) |
| Current - state | 5,717 | 2,525 | 1,251 |
| Deferred - federal | 34,037 | 44,757 | (117,925) |
| Deferred - state | 2,018 | (6,650) | (37,509) |
| Total income tax expense (benefit) | $ 66,735 | $ 46,789 | $ (154,192) |
Income Taxes - Schedule of Income Tax Reconciliation (Details) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Income Tax Disclosure [Abstract] | |||
| Federal income tax expense | 21.00% | 21.00% | 21.00% |
| State income tax expense, net of federal income tax impact | 2.76% | 0.82% | 2.67% |
| Decrease in valuation allowance | 0.00% | (0.39%) | (84.92%) |
| Foreign income subject to tax at other than federal statutory rate | 0.03% | 0.00% | 0.02% |
| Share-based compensation | (0.21%) | (0.66%) | (2.50%) |
| Executive compensation limitation | 0.90% | 2.61% | 2.32% |
| Non-deductible expenses and other | 0.80% | (0.40%) | 0.54% |
| Foreign-derived intangible income | (3.44%) | (5.06%) | (1.18%) |
| Transaction costs | 0.00% | 0.88% | 0.00% |
| Research and development credits, net | (2.71%) | 0.00% | 0.00% |
| Effective income tax rate | 19.13% | 18.80% | (62.05%) |
Income Taxes - Unrecognized Tax Benefit (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Income Tax Disclosure [Abstract] | |||
| Gross unrecognized tax benefits, beginning of period | $ 19,482 | $ 17,692 | $ 19,167 |
| Increases in tax positions for prior years | 1,645 | 0 | 21 |
| Decreases in tax positions for prior years and lapse in statute of limitations | 0 | (1,148) | (1,496) |
| Increases in tax positions related to business acquisition | 0 | 2,151 | 0 |
| Increases in tax positions for current year | 791 | 787 | 0 |
| Gross unrecognized tax benefits, end of period | $ 21,918 | $ 19,482 | $ 17,692 |
Employee Savings Plan (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Retirement Benefits [Abstract] | |||
| Employer contribution amount | $ 3.3 | $ 2.6 | $ 1.1 |
Schedule II Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] | |||
| Accounts receivable allowance, beginning balance | $ 1,914 | $ 1,140 | $ 1,003 |
| Acquired | 0 | 924 | 0 |
| Additions | 49,596 | 5,946 | 8,131 |
| Deductions | (44,763) | (6,096) | (7,994) |
| Accounts receivable allowance, ending balance | $ 6,747 | $ 1,914 | $ 1,140 |
| Label | Element | Value |
|---|---|---|
| Accounting Standards Update [Extensible Enumeration] | us-gaap_AccountingStandardsUpdateExtensibleList | Accounting Standards Update 2020-06 [Member] |