14. Stock-Based Compensation (Details-Stock-based compensation) - USD ($) |
12 Months Ended | |
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Mar. 31, 2018 |
Mar. 31, 2017 |
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| Total stock-based compensation | $ 2,410,000 | $ 2,145,000 |
| Cost of revenues [Member] | ||
| Total stock-based compensation | 169,000 | 248,000 |
| Research and development [Member] | ||
| Total stock-based compensation | 159,000 | 245,000 |
| Selling, general and administrative [Member] | ||
| Total stock-based compensation | $ 2,082,000 | $ 1,652,000 |
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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://fasb.org/us-gaap/role/ref/legacyRef
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