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Inventories (Notes)
3 Months Ended
Mar. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories consist of the following (in thousands):
 
 
 
March 31,
2014
 
December 31,
2013
Raw materials
 
$
5,467

 
$
2,650

Work-in-process
 
1,900

 
1,627

Finished goods
 
6,059

 
3,871

 
 
$
13,426

 
$
8,148