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Accrued Expenses - Summary of Accrued Expenses (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Payables and Accruals [Abstract]    
Accrued compensation $ 2,960 $ 3,797
Accrued legal and professional services 81  
Accrued research and development costs 3,352 4,734
Other accrued liabilities 43 96
Total $ 6,436 $ 8,627