Stock Option Plans - Stock Option Activity (Details) - shares |
1 Months Ended | |
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Mar. 31, 2016 |
Feb. 28, 2014 |
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| 2014 Plan | ||
| Stock Option Plans | ||
| Vesting period | 4 years | |
| Maximum exercise term | 10 years | |
| Exercise price of common stock grants, percentage of stock fair value | 100.00% | |
| Shares available for future option grants | 0 | |
| 2016 Plan | ||
| Stock Option Plans | ||
| Vesting period | 4 years | |
| Maximum exercise term | 10 years | |
| Exercise price of common stock grants, percentage of stock fair value | 100.00% | |
| 2016 Plan | Maximum | ||
| Stock Option Plans | ||
| Forfeited or unexercised shares under expired stock plan subject to re-issuance under current stock plan | 1,136,229 | |
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of additional shares authorized for issuance under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 Period from grant to expiration date of share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Purchase price of common stock expressed as a percentage of its fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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