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Income Taxes - Schedule of Income (Loss) Before Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments [Abstract]    
Domestic $ (12,961) $ (41,313)
Foreign (6,261) (3,804)
Income (loss) before taxes $ (19,222) $ (45,117)