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INVESTMENTS - Disclosure of detailed information about investments (Details) - CAD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Disclosure Of Investments [Line Items]    
Financial assets at fair value through profit or loss, Cost $ 6,190 $ 2,594
Financial assets at fair value through profit or loss, Accumulated unrealised (loss) gain (696) (1,058)
Financial assets at fair value through profit or loss, Fair value 5,494 1,536
Financial assets at fair value through other comprehensive income, Cost 5,490 910
Financial assets at fair value through other comprehensive income, Accumulated unrealised gain (loss) (877) (877)
Financial assets at fair value through other comprehensive income, Fair value 4,613 33
Investments, Cost 11,680 3,504
Investments, Accumulated unrealised gain (loss) (1,573) (1,935)
Investments, Fair value 10,107 1,569
Marketable Securities [Member]    
Disclosure Of Investments [Line Items]    
Financial assets at fair value through profit or loss, Cost 3,915 1,683
Financial assets at fair value through profit or loss, Accumulated unrealised (loss) gain (767) (1,058)
Financial assets at fair value through profit or loss, Fair value 3,148 625
Financial assets at fair value through other comprehensive income, Cost 910 910
Financial assets at fair value through other comprehensive income, Accumulated unrealised gain (loss) (877) (877)
Financial assets at fair value through other comprehensive income, Fair value 33 33
Warrants [Member]    
Disclosure Of Investments [Line Items]    
Financial assets at fair value through profit or loss, Cost 314  
Financial assets at fair value through profit or loss, Accumulated unrealised (loss) gain 515  
Financial assets at fair value through profit or loss, Fair value 829  
Private Company Investments [Member]    
Disclosure Of Investments [Line Items]    
Financial assets at fair value through profit or loss, Cost 1,961 911
Financial assets at fair value through profit or loss, Accumulated unrealised (loss) gain (444) 0
Financial assets at fair value through profit or loss, Fair value 1,517 $ 911
Financial assets at fair value through other comprehensive income, Cost 4,580  
Financial assets at fair value through other comprehensive income, Accumulated unrealised gain (loss) 0  
Financial assets at fair value through other comprehensive income, Fair value $ 4,580