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FINANCIAL INSTRUMENTS (Details 2) - CAD ($)
Jan. 31, 2019
Jan. 31, 2018
Disclosure of fair value measurement of assets [line items]    
Term deposits $ 9,656,320 $ 3,694,415
Level 1 [Member]    
Disclosure of fair value measurement of assets [line items]    
Cash and cash equivalents 8,308,884  
Term deposits 9,656,320  
Investments 10,280  
Total financial assets 17,975,484  
Level 2 [Member]    
Disclosure of fair value measurement of assets [line items]    
Cash and cash equivalents  
Term deposits  
Investments  
Total financial assets  
Level 3 [Member]    
Disclosure of fair value measurement of assets [line items]    
Cash and cash equivalents  
Term deposits  
Investments  
Total financial assets