Stock Based Awards - Schedule of Common Stock Reserved for Future Issuance (Details) - shares |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Equity [Abstract] | ||
| Stock options issued and outstanding | 24,351,000 | 43,071,000 |
| Authorized for future option grants | 48,368,000 | 29,485,000 |
| Warrants outstanding | 6,275,000 | 8,280,000 |
| Total | 78,994,000 | 80,836,000 |
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- Definition Stock options issued and outstanding. No definition available.
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- Definition Number of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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