Description of Stock Plans - Intrinsic Value of Options Exercised and Fair Value of Options Vested (Details) - USD ($) $ in Thousands |
3 Months Ended | |
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Jun. 30, 2018 |
Jun. 30, 2017 |
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | ||
| Total fair value of options vested | $ 404 | $ 597 |
| Total intrinsic value of options exercised | $ 115 | $ 4 |
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- References No definition available.
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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