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Inventory, net
9 Months Ended
Sep. 30, 2013
Disclosure Inventory Net [Abstract]  
Inventory, net
Inventory, net (in thousands)
 
 
September 30, 2013
 
December 31, 2012
Raw materials
$
3,329

 
$
4,867

Work in process
4,863

 
6,134

Finished goods
3,897

 
1,885

 
$
12,089

 
$
12,886