v3.26.1
Property and Equipment, net - Property and Equipment, Net (Detail) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Property, Plant and Equipment [Line Items]      
Total property and equipment, at cost $ 0 $ 0 $ 313
Less: Accumulated depreciation and amortization 0 0 (278)
Property and equipment, net 0 0 35
Computers and software [Member]      
Property, Plant and Equipment [Line Items]      
Total property and equipment, at cost 0 0 26
Office furniture and equipment [Member]      
Property, Plant and Equipment [Line Items]      
Total property and equipment, at cost 0 0 15
Laboratory equipment [Member]      
Property, Plant and Equipment [Line Items]      
Total property and equipment, at cost 0 0 215
Leasehold improvement [Member]      
Property, Plant and Equipment [Line Items]      
Total property and equipment, at cost $ 0 $ 0 $ 57