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Commitments and Contingencies - Schedule of Maturities of Lease Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Nov. 30, 2021
Oct. 31, 2021
Dec. 31, 2020
Operating Leases Future Minimum Payments Due [Abstract]        
2022 $ 317      
2023 338      
2024 349      
2025 360      
2026 119      
Total minimum lease payments 1,483      
Less: imputed interest (354)      
Total future minimum lease payments 1,129 $ 247 $ 232  
Less: operating lease liabilities, current (179)     $ (346)
Operating lease liabilities, net of current portion $ 950     $ 845