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Inventory - Schedule of Inventory (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Inventory Disclosure [Abstract]    
Raw materials $ 682us-gaap_InventoryRawMaterials $ 811us-gaap_InventoryRawMaterials
Work-in-process 275us-gaap_InventoryWorkInProcess 268us-gaap_InventoryWorkInProcess
Finished goods 417us-gaap_InventoryFinishedGoods 1,182us-gaap_InventoryFinishedGoods
Inventory, net $ 1,374us-gaap_InventoryNet $ 2,261us-gaap_InventoryNet