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Inventories
9 Months Ended
Sep. 30, 2013
Inventories [Abstract]  
Inventories
Note 3. Inventories

The components of inventories are summarized below (in thousands):

 
 
September 30,
  
December 31,
 
 
 
2013
  
2012
 
Raw materials
 
$
21,009
  
$
20,003
 
Work in process
  
13,265
   
15,608
 
Finished goods
  
4,102
   
4,741
 
 
 
$
38,376
  
$
40,352
 

As of September 30, 2013 and December 31, 2012, carrying values of inventories were net of inventory reserves of $10.5 million and $10.1 million, respectively, for excess and obsolete inventory.