Stockholders' Equity (Details) - USD ($)
 3 Months Ended 6 Months Ended
Aug. 31, 2019
Aug. 31, 2019
Aug. 31, 2018
Beginning balance, amount $ 6,818,685 $ 2,626,392 $ 10,324,065
Issuance of common shares for cash, amount 34,756,847 39,023,632  
Issuance of shares upon cashless exercise of warrants, amount     0
Issuance of shares upon the cashless exercise of stock options, amount 0 0  
Issuance of shares upon exercise of warrants, amount 143,749 143,749  
Issuance of shares upon settlement of legal matter, amount   0  
Issuance of shares upon conversion of convertible notes, amount   2,689,510  
Ending balance, amount $ 39,283,023 $ 39,283,023 $ 5,335,675
Common Stock      
Beginning balance, shares 34,875,032 33,805,706 33,751,088
Beginning balance, amount $ 3,488 $ 3,381 $ 3,376
Issuance of common shares for cash, shares 4,093,567 4,693,567  
Issuance of common shares for cash, amount $ 409 $ 469  
Issuance of shares for services rendered, shares   43,932  
Issuance of shares for services rendered, amount   $ 4  
Issuance of shares upon cashless exercise of warrants, shares     18,821
Issuance of shares upon cashless exercise of warrants, amount     $ 2
Issuance of shares upon the cashless exercise of stock options, shares 4,565 4,565  
Issuance of shares upon the cashless exercise of stock options, amount $ 1 $ 1  
Issuance of shares upon exercise of warrants, shares 15,432 15,432  
Issuance of shares upon exercise of warrants, amount $ 1 $ 1  
Issuance of shares upon settlement of legal matter, shares   150,000  
Issuance of shares upon settlement of legal matter, amount   $ 15  
Issuance of shares upon conversion of convertible notes, shares   319,326  
Issuance of shares upon conversion of convertible notes, amount   $ 32  
Issuance of shares upon vesting of restricted stock units, shares     35,797
Issuance of shares upon vesting of restricted stock units, amount     $ 3
Ending balance, shares 39,032,528 39,032,528 33,805,706
Ending balance, amount $ 3,903 $ 3,903 $ 3,381