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Equity Incentive Plan (Tables)
 12 Months Ended
Feb. 28, 2019
Equity [Abstract]  
Equity incentive plan
   2019  2018
   Number of units  Number of units
Outstanding, beginning of period   1,735,898    —   
Issuance upon registration   —      3,000,000 
Automatic share reserve increase   1,500,000    —   
Units granted   (446,090)   (1,264,102)
Units forfeited   371,208    —   
Units expired   62,500    —   
Outstanding, end of period   3,223,516    1,735,898