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Inventories (Tables)
6 Months Ended
Jun. 30, 2016
Inventories Tables  
Schedule Of Inventories
   

June 30,

2016

   

December 31,

2015

 
Finished goods   $ 3,204     $ 2,946  
Production supplies     3,007       2,636  
Raw materials     3,101       2,082  
Total inventories   $ 9,312     $ 7,664