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Investments in Associate (Narrative) (Details)
shares in Millions
Jul. 16, 2020
CAD ($)
shares
Medgold  
Disclosure of associates [line items]  
Proportion of ownership interest in associate 15.60%
Medgold Resources Corporation [member]  
Disclosure of associates [line items]  
Number of units authorized finance sale | shares 40
Purchased per unit price paid by entity | $ 0.05