Stockholders' Equity - 2000 Equity Plan (Details) |
12 Months Ended |
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Mar. 31, 2018
shares
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| Stockholders' equity | |
| Assumed stock option forfeitures (in shares) | 0 |
| Stock options | |
| Stockholders' equity | |
| Vesting period | 4 years |
| Expiration Term | 10 years |
| Portion vesting one year after the issuance date (as a percent) | 25.00% |
| Vesting period of awards after issuance date | 1 year |
| Portion vesting on first day of each month after one year from the issuance date (as a percent) | 2.083% |
| 2000 Plan | |
| Stockholders' equity | |
| Number of shares of common stock reserved for issuance | 1,849,000 |
| 2017 Plan | |
| Stockholders' equity | |
| Number of shares of common stock reserved for issuance | 3,000,000 |
| Number of shares available for future grant | 1,058,703 |
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- Definition Represents the portion of an award that is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale effective one year after the issuance date. No definition available.
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- Definition Represents the portion of an award vesting on the first day of each month after one year from the issuance date. No definition available.
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- Definition For presentations that combine terminations, the number of shares under options that are assumed to be forfeited in the future. No definition available.
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- Definition Represents the period from the date of issuance at which time a portion of the award vests. No definition available.
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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