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Income Taxes - Schedule of Income (Loss) Before Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments [Abstract]      
Domestic $ 6,230 $ 3,891 $ (39,623)
Foreign (3,733) (2,482) 6,659
Income (loss) before income taxes $ 2,497 $ 1,409 $ (32,964)