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Income Taxes - Schedule of Provision (Benefit) for Income Tax (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Current:      
Foreign $ 6 $ (7) $ 7
Total 6 (7) 7
Deferred:      
Foreign 50 (83) (48)
Total 50 (83) (48)
Total income tax expense (benefit) $ 56 $ (90) $ (41)