Income Taxes - Schedule of Significant Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryforwards	$ 34,228	$ 7,265
Research and development tax credits	3,732	2,782
Other	1,214	227
Total deferred tax assets	39,174	10,274
Valuation allowance	(38,410)	(10,255)
Total gross deferred tax assets, net of valuation allowance	764	19
Deferred tax liabilities:
Other	(764)	(19)
Total gross deferred tax liabilities	$ (764)	$ (19)