Income Taxes - Income Tax Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Current taxes:
Federal current taxes	$ 104	$ (106)
State and local current taxes	39	8
Foreign current taxes	97	212
Total current taxes	240	114
Deferred taxes:
Foreign deferred taxes	230	(76)
Total deferred taxes	230	(76)
Total Income tax expense	$ 470	$ 38