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Income Taxes - Income (Loss) From Continuing Operations Before Income Tax (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]    
United States $ (10,040) $ (11,862)
Foreign 169 (9,904)
Loss before income tax (benefit) expense $ (9,871) $ (21,766)