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Income Taxes - Components of Income (Loss) Domestic and Foreign (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
United States $ (5,387) $ 3,277 $ (9,821)
Foreign (2,378) (3,272) (1,208)
Income (Loss) before income taxes $ (7,765) $ 5 $ (11,029)