Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	1 Months Ended	12 Months Ended
	Apr. 30, 2021	Dec. 31, 2024	Dec. 31, 2023	Oct. 18, 2024
Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding		17,013,787	28,625,352
Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration]		Leasehold Improvements [Member]
Impairment of property and equipment		$ 0	$ 0
Grant received from department of health and human services	$ 400,000
Business innovation research grant	$ 2,000,000
Grant income outstanding				$ 900,000
Recognized grant income		58,000	42,000
Cash balance of federal deposit insurance corporation		250,000
Uninsured portion of cash		$ 11,727,000
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]		srt:ChiefExecutiveOfficerMember
Segment revenue		$ 0	$ 0
Minimum [Member]
Property and equipment useful life		5 years
Maximum [Member]
Property and equipment useful life		7 years