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Equipment (Tables)
12 Months Ended
Dec. 31, 2018
Statements [Line Items]  
Disclosure of detailed information about property, plant and equipment [Table Text Block]
                  Exploration        
      Motor     Computer     and office        
      Vehicles     equipment     equipment     Total  
      $     $     $     $  
  Cost:                        
  At December 31, 2016   20,330     28,809     61,984     111,123  
  Additions   -     856     -     856  
  At December 31, 2017   20,330     29,665     61,984     111,979  
  Additions   25,322     46,542     500     72,364  
  At December 31, 2018   45,652     76,207     62,484     184,343  
                           
  Depreciation:                        
  At December 31, 2016   19,694     27,279     53,830     100,803  
  Charge for the year   144     348     1,221     1,713  
  At December 31, 2017   19,838     27,627     55,051     102,516  
  Charge for the year   3,980     5,638     1,765     11,383  
  At December 31, 2018   23,818     33,265     56,816     113,899  
                           
  Net book value:                        
  At December 31, 2017   492     2,038     6,933     9,463  
  At December 31, 2018   21,834     42,942     5,668     70,444