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Inventory (Tables)
9 Months Ended
Sep. 30, 2014
Inventory Tables  
Inventory

Inventories are stated at the lower of cost or market. Inventory is as follows at September 30, 2014 and December 31, 2013 (in thousands):

      September 30,     December 31,
      2014     2013
Raw materials   $ 31,411    $ 29,330 
Finished goods     2,102      705 
Total inventory                                             $ 33,513    $ 30,035