Equity Incentive Plan (Tables)
3 Months Ended
May 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  
Automatic share reserve increase     1,500,000       1,500,000  
Units granted     (25,145 )     (24,450 )
Units forfeited     27,213       -  
Units expired     260,417       -  
Outstanding, end of period     4,986,001       3,211,448