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Inventories (Net of Reserves) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Inventory Disclosure [Abstract]    
Raw materials $ 4,119 $ 5,723
Work-in process 985 1,121
Finished goods 17,967 16,137
Total $ 23,071 $ 22,981