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EXPLORATION AND EVALUATION ASSETS (Tables)
12 Months Ended
Dec. 31, 2017
Statement [Line Items]  
Disclosure of detailed information about exploration and evaluation expenditures [Table Text Block]
        $  
         
  DECEMBER 31, 2015   36,389,795  
         
  Acquisition costs   617,767  
  Claims maintenance   21,314  
  Engineering   337,039  
  Permitting   766,263  
  Salary and wages   540,744  
  Share-based payments   49,396  
         
  DECEMBER 31, 2016   38,722,318  
         
  Claims maintenance   10,605  
  Engineering   183,165  
  Permitting   1,317,578  
  Salary and wages   347,887  
  Share-based payments   68,994  
         
  DECEMBER 31, 2017   40,650,547