Stock-based Compensation - 2015 Inducement Plan (Details) - shares |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Jun. 09, 2019 |
Jun. 08, 2019 |
Mar. 26, 2015 |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||||
| Granted (shares) | 1,701,500 | ||||
| 2015 Inducement Plan | |||||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||||
| Shares authorized under the plan (in shares) | 900,000 | 450,000 | 450,000 | ||
| Granted (shares) | 115,000 | 0 | |||
| Possible future issuance under equity compensation plan (in shares) | 315,500 | 5,000 | |||
| X | ||||||||||
- 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 shares authorized for issuance under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Details
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