XML 48 R32.htm IDEA: XBRL DOCUMENT v3.21.2
Shareholders' Equity (Details)
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Equity [Abstract]    
Risk-free interest rate, minimum 0.30% 1.20%
Risk-free interest rate, maximum 0.40% 2.40%
Expected life 5 years 5 years
Expected volatility, minimum 87.00% 87.00%
Expected volatility, maximum   89.00%
Expected dividend 0.00% 0.00%