Stock-Based Compensation - Summary of Non-Vested Stock Options (Details) |
6 Months Ended |
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Jun. 30, 2019
$ / shares
shares
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| Shares | |
| Non-vested stock options at December 31, 2018 (in shares) | shares | 926,500 |
| Granted | shares | 68,000 |
| Vested (in shares) | shares | (203,000) |
| Cancelled, expired or forfeited (in shares) | shares | (105,000) |
| Non-vested stock options at June 30, 2019 (in shares) | shares | 686,500 |
| Weighted Average Grant Date Fair Value | |
| Non-vested stock options at December 31, 2018 (in dollars per share) | $ / shares | $ 0.91 |
| Granted (in dollars per share) | $ / shares | 2.99 |
| Vested (in dollars per share) | $ / shares | 1.25 |
| Cancelled, expired or forfeited (in dollars per share) | $ / shares | 0.97 |
| Non-vested stock options at June 30, 2019 (in dollars per share) | $ / shares | $ 0.86 |
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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 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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