Income Taxes - Schedule of Reconciliation of Statutory Federal Income Tax Rate to Company's Effective Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. statutory rate	21.00%	21.00%
State taxes, net of federal	4.33%	4.35%
Change in valuation allowance	1.65%	(26.72%)
Return to provision - 2023 Tax Free Reorganization	(18.89%)	0.00%
Return to provision - Other	(0.46%)	0.00%
R&D Credit	(1.65%)	1.22%
Other permanent differences	(6.00%)	0.15%
Effective tax rate	(0.02%)	0.00%