Income Taxes - Schedule of Components of Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Net operating loss carryforwards	$ 13,075	$ 3,938
Research and development credits	2,716	2,038
Share-based compensation	706	609
Lease Liabilities	1,131	0
Capitalized Licensing Fees	1,637	0
Other	22	126
Subtotal	19,287	6,711
Less valuation allowance	(18,113)	(6,635)
Net deferred tax assets	1,174	76
Right-of-use assets	(1,116)	0
Other	(58)	(76)
Deferred Tax Assets, Net, Total	$ 0	$ 0