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Inventories
12 Months Ended
Dec. 31, 2013
Inventory Disclosure [Abstract]  
Inventories
3. Inventories

Inventories consist of the following:

 

At December 31,

   2012      2013  

Raw materials

   $ 30,914       $ 20,580   

Work-in-progress

     11,189         8,647   

Finished goods

     4,629         1,266   
  

 

 

    

 

 

 
   $ 46,732       $ 30,493