Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
8. Stock-Based Compensation (Details-Stock-based compensation) - USD ($)
3 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Total stock-based compensation $ 292,000 $ 347,000
Cost of revenues [Member]    
Total stock-based compensation 17,000 35,000
Research and development [Member]    
Total stock-based compensation 22,000 32,000
Selling, general and administrative [Member]    
Total stock-based compensation $ 253,000 $ 280,000