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Disclosure of deferred taxes (Details) - CAD ($)
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Statements Line Items      
Deferred income tax asset and (liability) $ 1,604,038 $ (1,820,307) $ (4,753,324)
Royalty interest [Member]      
Statements Line Items      
Deferred income tax asset and (liability) (1,689,673) (4,159,013) (8,090,497)
Tax loss carryforwards [Member]      
Statements Line Items      
Deferred income tax asset and (liability) 3,203,640 2,261,886 3,212,368
Other [Member]      
Statements Line Items      
Deferred income tax asset and (liability) $ 90,071 $ 76,820.00 $ 124,805