Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Line Items]
Valuation allowance period increase	$ 51,800,000
Unrecognized tax benefits	$ 0
Tax credit carryforwards expiration year	2038
Accrued penalties and provisions for interest	$ 0
Current and deferred income tax expense	$ 100,000	$ 300,000
Company's effective tax rate	0.00%
U.S. statutory tax rate	21.00%
Total gross deferred tax assets before valuation allowance	$ 108,634,000	$ 57,121,000
Cumulative Changes Ownership Interest	50.00%
Domestic Tax Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Net operating loss carryforwards	$ 121,300,000
State and Local Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Net operating loss carryforwards	$ 112,100,000
Net operating loss carryforwards, expiration year	2040
Research Tax Credit Carryforward [Member] | Domestic Tax Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Research and development tax credit carryforwards	$ 6,200,000
Research Tax Credit Carryforward [Member] | State and Local Jurisdiction [Member]
Income Tax Disclosure [Line Items]
Research and development tax credit carryforwards	$ 2,300,000