14. Stock-Based Compensation (Details-Stock-based compensation) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
Mar. 31, 2018 |
Mar. 31, 2017 |
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| Total stock-based compensation | $ 526,000 | $ 427,000 | $ 873,000 | $ 865,000 | $ 2,410,000 | $ 2,145,000 |
| Cost of revenues [Member] | ||||||
| Total stock-based compensation | 30,000 | 49,000 | 65,000 | 93,000 | 169,000 | 248,000 |
| Research and development [Member] | ||||||
| Total stock-based compensation | 29,000 | 45,000 | 61,000 | 90,000 | 159,000 | 245,000 |
| Selling, general and administrative [Member] | ||||||
| Total stock-based compensation | $ 467,000 | $ 333,000 | $ 747,000 | $ 682,000 | $ 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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