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Income Taxes - Schedule of Reconciliation of Provision for Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Income tax benefit computed at the statutory rate $ (3,565) $ (1,975)
Foreign tax rate differential 99
Loss on debt settlement 650
Non-deductible expenses 212 386
Other book-tax differences (1)
Prior period true ups - temporary differences 525
Rate changes and differentials 61 (23)
Change in valuation allowance 1,197 1,613
Provision for income taxes $ (832)