Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Net operating losses	$ 54,109	$ 44,606
Capitalized research and development costs	24,698	11,996
Stock compensation	2,787	2,193
Accrued expenses	757	523
Amortization	357	540
Lease liability	182	309
Depreciation	56
Other	110	107
Total deferred tax assets	83,056	60,274
Valuation allowance	(82,958)	(57,245)
Deferred tax assets, net	98	3,029
Deferred tax liabilities:
IPR&D assets		(2,847)
Right of use asset	(98)	(164)
Depreciation		(18)
Total deferred tax liabilities	$ (98)	$ (3,029)