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Inventories
3 Months Ended
Mar. 31, 2013
Inventory Disclosure [Abstract]  
Inventories
Inventories
 
Inventories consist of the following (in thousands):
 
March 31,
2013
December 31,
2012
Raw materials
$
9,350

$
9,994

Work in process
562

385

Finished goods
16,213

16,524

Total
$
26,125

$
26,903