Annual report pursuant to Section 13 and 15(d)

Stock Option Plans and 401(k) Plan (Details 1)

v3.19.2
Stock Option Plans and 401(k) Plan (Details 1) - $ / shares
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Exercise price $ 1.45 $ 1.44
Market price on date of grant $ 1.45 $ 1.44
Risk-free interest rate 2.84% 2.39%
Expected term (years) 6 years 3 months 25 days 6 years 10 months 13 days
Volatility 96.58% 90.40%
Expected dividend yield 0.00% 0.00%
Fair value per share at grant date $ 1.15 $ 1.10