Share-based Payments (Details Narrative) - USD ($)
 3 Months Ended 9 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2021
Nov. 30, 2020
Stock options granted 0   0  
Issuance of shares upon exercise of options, shares 17,081 0 16,226 0
Stock options exercised, weighted average exercise price $ 0.80   $ 0.80  
Stock options forfeited 0   0  
Stock options expired 0   0  
Issuances of stock options 0 0 0 0
Stock options outstanding 1,570,000 1,587,081 1,570,000 1,587,081
Stock options outstanding, weighted average exercise price $ 6.87 $ 6.81 $ 6.87 $ 6.81
Stock options exercisable 1,286,667 986,248 1,286,667 986,248
Stock options exercisable, weighted average exercise price $ 7.30 $ 7.05 $ 7.30 $ 7.05
Stock-based compensation expense $ 311,004 $ 551,720 $ 1,203,975 $ 1,662,155
Research and Development Expenses        
Restricted stock unit expense 362,435 350,393 1,152,506 1,054,682
General and Administrative Expenses        
Restricted stock unit expense $ 279,574 $ 546,601 209,236 1,720,067
Net reversal in stock-based compensation     $ 935,837 $ 4,005
Restricted Stock Units        
Restricted stock units granted 62,638 57,859 349,580 180,232
Restricted stock units granted, weighted average exercise price $ 10.16 $ 12.96 $ 13.64 $ 10.18
Restricted stock units settled 200,000 200,000 231,660 224,436
Restricted stock units settled, weighted average exercise price $ 0.80 $ 0.80 $ 1.90 $ 1.78
Restricted stock units forfeited 17,988 0 313,512 2,989
Restricted stock units forfeited, weighted average exercise price $ 8.73 $ 0 $ 7.97 $ 8.78
Restricted stock units outstanding 4,014,928 4,171,609 4,014,928 4,171,609
Restricted stock units vested   691,327 525,313  
Restricted stock unit expense $ 331,005 $ 345,274 $ 157,769 $ 1,028,152
Net reversal in expenses attributable to RSUs     $ 963,022 $ 4,005