Income Taxes - Schedule of Loss Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
United States	$ (44,321)	$ (28,803)
Foreign	142	87
Loss before income taxes	$ (44,179)	$ (28,716)

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