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Income Taxes - Schedule of Income Tax Provision (Benefit) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Current portion:      
Federal $ (182)    
State   $ 2 $ 3
Foreign   11 7
Income tax provision, Current (182) 13 10
Deferred portion:      
Federal 182   (243)
Income tax provision $ 0 $ 13 $ (233)