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INCOME TAXES - COMPONENTS OF INCOME (LOSS) BEFORE TAXES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Domestic $ (1,872) $ 3,602 $ 18,188
Foreign (711) 205 181
Income (loss) before income taxes $ (2,583) $ 3,807 $ 18,369