Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Provision (Benefit) for Income Tax (Details)

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Income Taxes - Schedule of Provision (Benefit) for Income Tax (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Current:      
Foreign $ (7) $ 7 $ (13)
Total (7) 7 (13)
Deferred:      
Foreign (83) (48)  
Total (83) (48)  
Total tax expense (benefit) $ (90) $ (41) $ (13)