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Commitments and Contingencies - Schedule of Future Payments Under Noncancelable Operating Leases (Detail) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]    
2022 (remainder of) $ 194  
2023 212  
2024 200  
Total minimum lease payments 606  
Less imputed interest (20)  
Present value of lease liabilities 586  
Less current portion of operating lease liability (287) $ (369)
Non-current operating lease liability $ 299 $ 400