XML 21 R28.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Accounts Payable and Accrued Liabilities (Tables)
9 Months Ended
Nov. 30, 2019
Payables and Accruals [Abstract]  
Accounts payable and accrued liabilities
   

November 30,

2019

   

February 28,

2019

 
Trade accounts payable   $ 674,601     $ 1,784,362  
Accrued liabilities     973,564       885,871  
    $ 1,648,165     $ 2,670,233