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Inventories (Tables)
9 Months Ended
Sep. 30, 2013
Inventories [Abstract]  
Inventories
Inventories consist of the following (in thousands):

 
 
September 30,
2013
  
December 31,
2012
 
Raw materials
 
$
6,368
  
$
7,221
 
Finished goods
  
4,053
   
3,893
 
Total
 
$
10,421
  
$
11,114