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Disclosure of detailed information about royalty interests (Details) - CAD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Statements Line Items      
Royalty interest, beginning balance $ 21,943,743 $ 25,831,152 $ 28,798,980
Acquisition     145,000
Depletion (1,732,270) (2,282,276) (2,163,221)
Impairment of royalty interest (7,256,340)    
Cumulative translation adjustments (1,391,270) 1,605,133 949,607
Royalty interest, ending balance $ 14,346,403 $ 21,943,743 $ 25,831,152