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Segmented Information - Schedule of Geographic Segments (Details) - CAD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Statement Line Items [Line Items]    
Equipment $ 42 $ 49
Exploration and evaluation assets 55,110 50,494
Canada [Member]    
Statement Line Items [Line Items]    
Equipment 15 19
Exploration and evaluation assets 1,908 1,817
Greenland [Member]    
Statement Line Items [Line Items]    
Equipment 27 30
Exploration and evaluation assets 53,194 48,671
United States [Member]    
Statement Line Items [Line Items]    
Exploration and evaluation assets $ 8 $ 6