Equity Incentive Plan (Tables)
6 Months Ended
Aug. 31, 2019
Equity [Abstract]  
Equity incentive plan
    2019     2018  
    Number of units     Number of units  
Outstanding, beginning of period     3,223,516       1,735,898  
Share reserve increase     2,000,000       1,500,000  
Units granted     (4,114,567 )     (116,027 )
Units forfeited     93,652       101,625  
Units expired     260,417       50,000  
Outstanding, end of period     1,463,018       3,271,496