8. Stock-Based Compensation (Details-Stock-based compensation) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
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| Total stock-based compensation | $ 427,000 | $ 406,000 | $ 865,000 | $ 817,000 |
| Cost of revenues [Member] | ||||
| Total stock-based compensation | 49,000 | 66,000 | 93,000 | 134,000 |
| Research and development [Member] | ||||
| Total stock-based compensation | 45,000 | 60,000 | 90,000 | 124,000 |
| Selling, general and administrative [Member] | ||||
| Total stock-based compensation | $ 333,000 | $ 280,000 | $ 682,000 | $ 559,000 |
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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