Income Taxes - Income Before Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
United States		$ (9,340)	$ (7,570)
Foreign		199	252
Loss before income taxes	$ (7,318)	$ (9,141)	$ (7,318)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details