Property and Equipment, Net - Schedule of Property and Equipment, Net (Detail) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	$ 2,210,813	$ 2,152,906
Less accumulated depreciation and amortization	(2,087,447)	(1,970,736)
Total	123,366	182,170
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	170,607	170,607
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	544,629	544,628
Machinery and office equipment [Member]
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	1,423,183	1,365,277
Software [Member]
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	$ 72,394	$ 72,394