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Income Taxes - Schedule of effective income tax rate reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Income tax benefit computed at federal statutory tax rate	$ (9,445)	$ (7,687)
Change in valuation allowance	13,045	8,717
Return to provision adjustments	0	(745)
General business credits	(3,108)	(1,114)
Other permanent differences	0	119
Stock compensation	(1,923)	0
Section 162(m) limitation	809	0
Change in uncertain tax position	622	223
Other	0	487
Income tax benefit	$ 0	$ 0

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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