XML 32 R19.htm IDEA: XBRL DOCUMENT v3.3.0.814
Summary of Significant Accounting Policies - Schedule of Inventories (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Inventory, Net [Abstract]    
Raw materials $ 7,549 $ 8,539
Work in process 539 898
Finished goods 6,897 6,326
Inventories $ 14,985 $ 15,763