Summary of Significant Accounting Policies (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Aug. 31, 2018
Aug. 31, 2017
Aug. 31, 2018
Aug. 31, 2017
Feb. 28, 2018
Feb. 28, 2017
Summary Of Significant Accounting Policies            
Sales tax receivables $ 122,589   $ 122,589   $ 177,903  
Research and development expenses $ 1,066,292 $ 950,775 $ 2,132,371 $ 1,447,309    
Warrants outstanding 2,345,957 2,004,582 2,345,957 2,004,582 2,515,248 1,647,670