Warrants - Summary of Warrant Activity and Related Information (Details) - $ / shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Weighted Average Exercise Price | ||
| Outstanding at January 1 (in dollars per share) | $ 26.19 | $ 27.87 |
| Granted (In dollars per share) | 1.59 | |
| Forfeited/Expired (in dollars per share) | 38.70 | 62.50 |
| Outstanding at December 31 (in dollars per share) | $ 5.88 | $ 26.19 |
| Warrant [Member] | ||
| Warrants | ||
| Outstanding at January 1 (in shares) | 713,652 | 748,155 |
| Stock options granted to executives | 2,705,864 | |
| Forfeited/Expired (in shares) | (88,010) | (34,503) |
| Outstanding at December 31 (in shares) | 3,331,506 | 713,652 |
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average price of options that were either forfeited or expired. 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 Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Details
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