Other Accrued Expenses and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accrued Liabilities And Other Liabilities Current [Abstract]
Accrued restructuring	$ 633	$ 1,377
Accrued professional fees	1,731	679
Income taxes payable	282	275
Other accrued expenses	3,189	2,140
Total	$ 5,835	$ 4,471