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Income Taxes - Summary of Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Line Items]
Research and development expenses	$ 6,529	$ 5,392
Stock-based compensation	1,969	610
Accrued expenses	220	635
Other	191	48
Total deferred tax assets	42,265	22,005
Less: valuation allowance	(42,046)	(21,936)
Net deferred tax assets	219	69
United States
Income Tax Disclosure [Line Items]
Net operating loss carryforwards	29,094	11,342
Israel
Income Tax Disclosure [Line Items]
Net operating loss carryforwards	$ 4,262	$ 3,978

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