Accrued Expenses and Other Current Liabilities - Summary Of Accrued Expenses And Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Accrued employee compensation costs	$ 2,642	$ 2,130
Accrued research and development costs	6,677	1,918
Accrued deferred offering costs	0	1,190
Lease liability	332	323
Accrued legal and professional fees	567	269
Other	368	447
Accrued expenses and other current liabilities	$ 10,586	$ 6,277