Annual report pursuant to Section 13 and 15(d)

Capital Stock (Details)

v3.20.2
Capital Stock (Details) - $ / shares
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Exercise price per share $ 1.14 $ 1.45
Risk-free interest rate 1.79% 2.84%
Contractual term in years 5 years 4 months 28 days 6 years 3 months 25 days
Dividend rate 0.00% 0.00%
Weighted average fair value per share $ .73 $ 1.15
Summer 2018 Private Placement    
Market price per share at grant date 1.80  
Exercise price per share $ 1.75  
Risk-free interest rate 2.83%  
Contractual term in years 3 years 4 months  
Volatility 88.80%  
Dividend rate 0.00%  
Number of warrant shares 23,800  
Weighted average fair value per share $ 1.08  
Fall 2019 Private Placement | Additional Warrants    
Market price per share at grant date .44  
Exercise price per share $ .50  
Risk-free interest rate 1.59%  
Contractual term in years 4 years 3 months 25 days  
Volatility 86.64%  
Dividend rate 0.00%  
Number of warrant shares 325,000  
Weighted average fair value per share $ .27  
Winter 2019 Warrant Modification | Pre-Modification    
Market price per share at grant date .44  
Exercise price per share $ 1.85  
Risk-free interest rate 1.58%  
Contractual term in years 2 years 4 months  
Volatility 87.50%  
Dividend rate 0.00%  
Number of warrant shares 6,611,759  
Weighted average fair value per share $ .08  
Winter 2019 Warrant Modification | Post-Modification    
Market price per share at grant date .44  
Exercise price per share $ .50  
Risk-free interest rate 1.58%  
Contractual term in years 1 year 10 months 28 days  
Volatility 88.10%  
Dividend rate 0.00%  
Number of warrant shares 6,611,759  
Weighted average fair value per share $ .19  
December 19, 2019 Warrant Modification | Pre-Modification    
Market price per share at grant date .805  
Exercise price per share $ 7.00  
Risk-free interest rate 1.57%  
Contractual term in years 6 months 29 days  
Volatility 98.70%  
Dividend rate 0.00%  
Number of warrant shares 80,431  
Weighted average fair value per share $ .00  
December 19, 2019 Warrant Modification | Post-Modification    
Market price per share at grant date .805  
Exercise price per share $ .805  
Risk-free interest rate 1.65%  
Contractual term in years 3 years 11 days  
Volatility 84.90%  
Dividend rate 0.00%  
Number of warrant shares 80,431  
Weighted average fair value per share $ .044