XML 62 R20.htm IDEA: XBRL DOCUMENT v3.20.2
ACCOUNTS PAYABLE AND ACCRUED LIABILITIES
12 Months Ended
Jan. 31, 2020
ACCOUNTS PAYABLE AND ACCRUED LIABILITIES [abstract]  
ACCOUNTS PAYABLE AND ACCRUED LIABILITIES
15.

ACCOUNTS PAYABLE AND ACCRUED LIABILITIES

 
 as at January 31, 2020  2019  2018 
 Accounts payable$ 1,136,955 $ 1,398,196 $ 85,014 
 Accrued liabilities 1,449,286  3,297,310  44,796 
 Interest payable 902,033  285,610  22,358 
  $ 3,488,274  $ 4,981,116 $ 152,168