Quarterly report pursuant to Section 13 or 15(d)

4. INVENTORIES (Tables)

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4. INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2015
Inventory Disclosure [Abstract]  
Inventories
    June 30, 2015     December 31, 2014  
Finished goods   $ 12,508     $ 11,118  
Raw materials     1,854       2,695  
Work in progress     3,087       3,274  
Other     1,422       1,463  
Total   $ 18,871     $ 18,550