Stockholders' Equity - Available for Grant (Details) - shares |
12 Months Ended | |
|---|---|---|
Dec. 15, 2016 |
Dec. 31, 2021 |
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| 2013 plan | ||
| Stockholders' Equity | ||
| Balance at the beginning of the period (in shares) | 4,053,501 | |
| Authorized (in shares) | 6,399,997 | |
| Granted (in shares) | (8,106,104) | |
| Shares withheld for taxes not issued (in shares) | 466,059 | |
| Forfeited/Cancelled (in shares) | 1,365,352 | |
| Balance at the end of the period (in shares) | 4,178,805 | |
| Inducement Plan | ||
| Stockholders' Equity | ||
| Balance at the beginning of the period (in shares) | 252,500 | |
| Authorized (in shares) | 500,000 | |
| Balance at the end of the period (in shares) | 252,500 |
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- Definition A decrease in the shares available for grant due to an award or grant of share based options. No definition available.
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- Definition An increase in the shares available for grant due to the forfeiture of share based options. No definition available.
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- Definition An increase in the shares available for grant due to shares withheld for taxes not issued. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Number of additional shares authorized for issuance under share-based payment arrangement. No definition available.
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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