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Inventories (Net of Reserves) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Inventory Disclosure [Abstract]    
Raw materials $ 4,374 $ 5,723
Work-in process 1,381 1,121
Finished goods 22,730 16,137
Total $ 28,485 $ 22,981