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Income Taxes - Schedule of Domestic and Foreign (Loss) income, Before Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]      
Domestic $ (8,771) $ (489) $ (4,091)
Foreign 6,642 4,867 10,817
(Loss) income before income taxes $ (2,129) $ 4,378 $ 6,726