Cover |
May 04, 2020 |
Apr. 22, 2020 |
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| Cover [Abstract] | ||
| Document Type | 8-K | |
| Document Period End Date | May 04, 2020 | |
| Entity Registrant Name | CASTLIGHT HEALTH, INC. | |
| Entity Incorporation, State or Country Code | DE | |
| Entity File Number | 001-36330 | |
| Entity Tax Identification Number | 26-1989091 | |
| Entity Address, Address Line One | 150 Spear Street | |
| Entity Address, Address Line Two | Suite 400 | |
| Entity Address, City or Town | San Francisco | |
| Entity Address, State or Province | CA | |
| Entity Address, Postal Zip Code | 94105 | |
| City Area Code | 415 | |
| Local Phone Number | 829-1400 | |
| Title of 12(b) Security | Class B Common Stock, par value $0.0001 per share | |
| Trading Symbol | CSLT | |
| Security Exchange Name | NYSE | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Entity Emerging Growth Company | false | |
| Amendment Flag | false | |
| Entity Central Index Key | 0001433714 |
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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. No definition available.
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- Definition The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'. No definition available.
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- Definition Address Line 1 such as Attn, Building Name, Street Name No definition available.
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- Definition Address Line 2 such as Street or Suite number No definition available.
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- Definition Name of the City or Town No definition available.
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- Definition Two-character EDGAR code representing the state or country of incorporation. No definition available.
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- Definition The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Local phone number for entity. No definition available.
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- Definition Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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