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Inventories (Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Inventory Disclosure [Abstract]    
Raw materials $ 9,012us-gaap_InventoryRawMaterialsNetOfReserves $ 4,132us-gaap_InventoryRawMaterialsNetOfReserves
Work in process 3,745us-gaap_InventoryWorkInProcessNetOfReserves 1,696us-gaap_InventoryWorkInProcessNetOfReserves
Finished goods 12,689us-gaap_InventoryFinishedGoodsNetOfReserves 3,648us-gaap_InventoryFinishedGoodsNetOfReserves
Total inventories, net $ 25,446us-gaap_InventoryNet $ 9,476us-gaap_InventoryNet