Quarterly report pursuant to Section 13 or 15(d)

9. Stock-Based Compensation (Details-Stock-based compensation)

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9. Stock-Based Compensation (Details-Stock-based compensation) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Total stock-based compensation $ 93 $ 112 $ 316 $ 537
Cost of revenues [Member]        
Total stock-based compensation 0 17 (27) 51
Research and development [Member]        
Total stock-based compensation 0 19 26 60
Selling, general and administrative [Member]        
Total stock-based compensation $ 93 $ 76 $ 317 $ 426