XML 20 R31.htm IDEA: XBRL DOCUMENT v3.3.0.814
Inventories - Inventories (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Inventory Disclosure [Abstract]    
Raw materials $ 867 $ 940
Work-in-process 723 1,902
Inventory, Gross 1,590 2,842
Less: allowance (120) (73)
Total inventories $ 1,470 $ 2,769