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Other Expenses (Tables)
 12 Months Ended
Dec. 31, 2017
Other Expense [abstract]  
Schedule of Other Expenses



 

 

 

 

 

 



 

 

Year ended December 31,



 

 

 2017 

 

 

 2016 

Loss (gain) on disposal of property, plant, and equipment

 

$

 1,450 

 

$

 (3)

Write off of inventories

 

 

 985 

 

 

 280 

Write off of mineral properties

 

 

 202 

 

 

 1,143 

Other income

 

 

 (956)

 

 

 -



 

$

 1,681 

 

$

 1,420