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Property and Equipment, Net - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]    
Depreciation and amortization expense $ 49 $ 169
Gain (loss) on sale of property and equipment (6)  
Fully Depreciated Assets [Member]    
Property, Plant and Equipment [Line Items]    
Gain (loss) on sale of property and equipment $ 42