Summary of Significant Accounting Policies (Details Narrative) - USD ($)
3 Months Ended
May 31, 2018
May 31, 2017
Feb. 28, 2018
Feb. 28, 2017
Summary Of Significant Accounting Policies        
Sales tax receivables $ 201,588   $ 177,903  
Research and development expenses $ 1,066,079 $ 496,538    
Warrants outstanding 2,395,248 1,860,455 2,515,248 1,647,670