Stock-based Compensation - Schedule of Unvested Restricted Stock Units Activity (Details) - RSUs $ / shares in Units, shares in Thousands, $ in Thousands |
12 Months Ended |
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Dec. 31, 2019
USD ($)
$ / shares
shares
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| Number of Shares | |
| Unvested, beginning balance (in shares) | 278 |
| Granted (in shares) | 1,763 |
| Vested (in shares) | (621) |
| Forfeited (in shares) | (92) |
| Unvested, ending balance (in shares) | 1,328 |
| Weighted Average Grant- Date Fair Value | |
| Unvested, beginning balance (in dollars per share) | $ / shares | $ 1.83 |
| Granted (in dollars per share) | $ / shares | 0.94 |
| Vested (in dollars per share) | $ / shares | 1.66 |
| Forfeited (in dollars per share) | $ / shares | 1.93 |
| Unvested, ending balance (in dollars per share) | $ / shares | $ 0.72 |
| Fair value of vested shares | $ | $ 1,001 |
| Unrecognized compensation expense | $ | $ 895 |
| Period of unrecognized compensation expense | 3 years 7 months 6 days |
| Number of RSUs issued (in shares) | 1,145 |
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of non-vested options outstanding. No definition available.
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Number of non-vested options forfeited. No definition available.
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- Definition Weighted average grant-date fair value of non-vested options forfeited. No definition available.
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- Definition Weighted average grant-date fair value of non-vested options outstanding. No definition available.
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- References No definition available.
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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of options vested. No definition available.
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- Definition Weighted average grant-date fair value of options vested. No definition available.
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- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. No definition available.
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- Details
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