Accounts Payable and Accrued Liabilities (Tables)
6 Months Ended
Aug. 31, 2019
Payables and Accruals [Abstract]  
Accounts payable and accrued liabilities
   

August 31,

2019

   

February 28,

2019

 
Trade accounts payable   $ 807,140     $ 1,784,362  
Accrued liabilities     704,836       885,871  
    $ 1,511,976     $ 2,670,233