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Certain Balance Sheet Accounts - Summary of Accrued Expenses (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract]    
Accrued research and development expenses $ 1,897 $ 2,159
Accrued payroll expenses 2,149 2,220
Other accrued expenses 388 248
Total accrued expenses $ 4,434 $ 4,627