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Nature and extent of risk arising from financial instruments (Details 1) - CAD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Statement Line Items [Line Items]    
Cash $ 10,417 $ 20,439 [1]
Foreign Currency Risk [Member]    
Statement Line Items [Line Items]    
Cash 322 874
Investment portfolio 5,080
Debentures $ 5,020 $ 4,770
[1] The consolidated statement of Financial position as at December 31, 2019 reflects the adoption of IFRS 16 on January 1, 2019. The comparative information has not been restated.