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Property and Equipment, Net - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Property Plant And Equipment [Line Items]      
Depreciation and amortization expense $ 15 $ 2  
Fully Depreciated Assets [Member]      
Property Plant And Equipment [Line Items]      
Gain (loss) on disposal of property and equipment     $ 66