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PROVISON FOR RECLAMATION AND REHABILITATION (Tables)
12 Months Ended
Dec. 31, 2018
Statements Line Items  
Disclosure of detailed information about provision for reclamation and rehabilitation [Table Text Block]
   Guanaceví  Bolañitos  El Cubo  El Compas  Total 
 Balance at December 31, 2016 2,058  1,755  4,033  -  7,846 
                 
          Accretion 28  17  41  -  86 
          Disturbance incurred during the year -  -  -  50  50 
 Balance at December 31, 2017$ 2,086 $ 1,772 $ 4,074 $ 50 $ 7,982 
                 
          Accretion 43  32  74  1  150 
          Disturbance incurred during the year -  -  -  63  63 
 Balance at December 31, 2018$ 2,129 $ 1,804 $ 4,148 $ 114 $ 8,195