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Financial Instruments (Details 1) - CAD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about financial instruments [line items]      
Cash $ 15,361 $ 660  
Marketable securities 2,675 346 $ 186
Level 1      
Disclosure of detailed information about financial instruments [line items]      
Cash 15,361 660  
Marketable securities 2,675 346  
Level 2      
Disclosure of detailed information about financial instruments [line items]      
Cash 0 0  
Marketable securities $ 0 $ 0