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Inventories
12 Months Ended
Dec. 31, 2012
Inventories [Abstract]  
Inventories

Note 4. Inventories

The components of inventories as of December 31 were as follows:

 

                 
    2012     2011  
    (in thousands)  

Raw materials

  $ 16,422     $ 18,297  

Work in process

    19,234       17,528  
   

 

 

   

 

 

 

Inventories

  $ 35,656     $ 35,825