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Inventory
9 Months Ended
Sep. 30, 2014
Inventory [Text Block]

3. Inventory

The major components of the Company’s inventory accounts are as follows:

      September 30, 2014     December 31, 2013  
  Concentrate inventory $ 473   $ 530  
  Material and supplies   3,596     3,603  
    $   4,069   $ 4,133