Stockholders' Equity - Reserved Shares (Details) - shares |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|---|
| Class of Stock [Line Items] | |||
| Available for future grants (in shares) | 2,402,326 | 805,749 | 1,065,003 |
| Shares Subject to purchase (in shares) | 4,805,747 | ||
| Reserved shares | |||
| Class of Stock [Line Items] | |||
| Subject to outstanding options and restricted shares (in shares) | 3,723,484 | ||
| Available for future grants (in shares) | 2,402,326 | ||
| Officer and Director Purchase Plan (in shares) | 245,562 | ||
| Shares Subject to purchase (in shares) | 4,805,747 | ||
| Total number of reserves | 11,177,119 |
| X | ||||||||||
- Definition It represents number of shares subject to outstanding options and restricted shares. No definition available.
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- Definition It representd number of shares issued for officers and directors in purchase plan. 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 warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate number of common shares reserved for future issuance. 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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- Details
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