Annual report pursuant to Section 13 and 15(d)

Schedule of Share-based Compensation, Stock Options, Activity (Details)

v3.19.2
Schedule of Share-based Compensation, Stock Options, Activity (Details) - $ / shares
 1 Months Ended 12 Months Ended
Apr. 28, 2017
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Number of shares outstanding, beginning of period 4,145,800 2,434,000 4,145,800  
Weighted average exercise price, beginning of period $ 0.92 $ 1.09 $ 0.92  
Weighted average remaining contractual term   4 years 6 months 8 years 7 years 8 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 1,790,000 0 1,790,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 1.29 $ 0 $ 1.29  
Weighted average remaining contractual life, granted   0 years 9 years 1 month 6 days  
Number of shares, exercised   (161,100) (181,000)  
Weighted average exercise price, exercised   $ 1.03 $ 0.52  
Weighted average remaining contractual term, exercised   4 years 6 months 9 years 8 months 12 days  
Number of shares, expired/forfeited   0 (3,320,800)  
Weighted average exercise price, expired/forfeited   $ 0 $ 0.55  
Weighted average remaining contractual term, expired/forfeited   0 years 6 years 10 months 24 days  
Number of shares outstanding, end of period   2,272,900 2,434,000 4,145,800
Weighted average exercise price, end of period   $ 1.09 $ 1.09 $ 0.92
Number of shares, exercisable   1,477,710    
Weighted average exercise price, exercisable   $ 0.98    
Weighted average remaining contractual term, exercisable   4 years 6 months