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Inventories
3 Months Ended
Mar. 31, 2012
Inventories [Abstract]  
Inventories
3. Inventories

Inventories consisted of the following (in thousands):

 
 
March 31,
2012
 
 
December 31,
2011
 
Raw materials
 
$
4,173
 
 
$
4,834
 
Work in progress
 
 
143
 
 
 
96
 
Finished goods
 
 
20,568
 
 
 
19,921
 
 
 
$
24,884
 
 
$
24,851