Other Balance Sheet Captions (Detail) - Components of Accrued Expenses - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Components of Accrued Expenses [Abstract]
Employee benefit plans	$ 1,027	$ 973
Salaries and wages	6,790	4,633
Restructuring and severance charges (Note 9)	517	208
Property taxes	784	764
Other accrued expenses	1,282	1,432
Total	$ 10,400	$ 8,010