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Segmented Information - Schedule of Geographic Segments (Details) - CAD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Disclosure of geographical areas [line items]    
Equipment $ 13 $ 21
Exploration and evaluation assets 39,168 39,103
Canada [Member]    
Disclosure of geographical areas [line items]    
Equipment 5 6
Exploration and evaluation assets 2,564 2,538
Greenland [Member]    
Disclosure of geographical areas [line items]    
Equipment 7 15
Exploration and evaluation assets $ 36,604 $ 36,565