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Inventories - (Summary of the Components of Inventories) (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Inventory [Line Items]    
Raw materials $ 1,934 $ 1,229
Work in progress 225 33
Finished Goods 2,002 2,153
Inventory, Net $ 4,161 $ 3,415