Consolidated Statement of Changes in Stockholders' Equity - USD ($)
Common Stock
Preferred Stock
Additional Paid-In Capital
Additional Paid-In Capital - Warrants
Additional Paid-In Capital - Beneficial Conversion Feature
Common Stock Issuable
Accumulated Deficit
Accumulated Other Comprehensive Income (Loss)
Total
Beginning balance, shares at Feb. 28, 2019 33,805,706 1              
Beginning balance, amount at Feb. 28, 2019 $ 3,381 $ 0 $ 38,966,208 $ 757,704 $ 1,200,915 $ 800,000 $ (38,811,592) $ (290,224) $ 2,626,392
Issuance of common shares for cash, net of share issuance costs (Note 12), shares 4,693,567                
Issuance of common shares for cash, net of share issuance costs (Note 12), amount $ 469   30,408,410 8,663,769         39,072,648
Issuance of shares for legal settlement (Note 20), shares 150,000                
Issuance of shares for legal settlement (Note 20), amount $ 15   (15)           0
Issuance of shares upon conversion of convertible notes (Note 10), shares 932,084                
Issuance of shares upon conversion of convertible notes (Note 10), amount $ 94   8,553,403 324,672 (1,200,915)       7,677,254
Issuance of shares upon vesting of restricted stock units (Note 15), shares 244,884                
Issuance of shares upon vesting of restricted stock units (Note 15), amount $ 25   799,975     (800,000)     0
Issuance of shares upon the cashless exercise of stock options (Note 15), shares 69,101                
Issuance of shares upon the cashless exercise of stock options (Note 15), amount $ 7   (7)           0
Issuance of shares upon exercise of warrants (Notes 10 and 17), shares 15,432                
Issuance of shares upon exercise of warrants (Notes 10 and 17), amount $ 1   182,048 (38,300)         143,749
Issuance of warrants for financing facility (Notes 9 and 17)       77,954         77,954
Stock options granted for services (Note 15)     2,178,948           2,178,948
Restricted stock units issued for services (Note 15)     1,290,443           1,290,443
Foreign currency translation               (98,225) (98,225)
Net loss (14,505,455) (14,505,455)
Ending balance, shares at Feb. 29, 2020 39,910,774 1              
Ending Balance, amount at Feb. 29, 2020 $ 3,992 $ 0 82,379,413 9,785,799 0 0 (53,317,047) (388,449) 38,463,708
Issuance of common shares for cash, net of share issuance costs (Note 12), shares 2,087,000                
Issuance of common shares for cash, net of share issuance costs (Note 12), amount $ 209   24,996,419           24,996,628
Issuance of shares upon vesting of restricted stock units (Note 15), shares 225,388                
Issuance of shares upon vesting of restricted stock units (Note 15), amount $ 22   (22)           0
Issuance of shares upon exercise of warrants (Notes 10 and 17), shares 190,529                
Issuance of shares upon exercise of warrants (Notes 10 and 17), amount $ 19   2,046,852 (394,245)         1,652,626
Issuance of warrant for services (Note 17)       84,442         84,442
Expiration of warrants (Notes 10 and 17)     649,831 (649,831)         0
Stock options granted for services (Note 15)     2,212,078           2,212,078
Restricted stock units issued for services (Note 15)     1,378,106           1,378,106
Foreign currency translation               381,859 381,859
Net loss (36,344,923) (36,344,923)
Ending balance, shares at Feb. 28, 2021 42,413,691 1              
Ending Balance, amount at Feb. 28, 2021 $ 4,242 $ 0 $ 113,662,677 $ 8,826,165 $ 0 $ 0 $ (89,661,970) $ (6,590) $ 32,824,524