Quarterly report pursuant to Section 13 or 15(d)

8. Stock-Based Compensation (Details-Assumptions)

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8. Stock-Based Compensation (Details-Assumptions) - $ / shares
3 Months Ended 9 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Weighted average assumptions for calculating fair value of stock options        
Expected life 7 years 15 days 5 years 2 months 5 days 6 years 3 months 18 days 8 years 1 month 6 days
Risk-free interest rate 1.90% 1.64% 1.70% 1.97%
Dividend yield 0.00% 0.00% 0.00% 0.00%
Volatility 89.00% 89.00% 89.00% 93.00%
Fair value of options granted $ .95 $ 1.32 $ .88 $ 2.21