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 compensation and benefits	$ 3,007	$ 2,662
Accrued research and development expenses	2,918	790
Accrued legal, accounting and other professional fees	916	648
Accrued other	178	44
Accrued offering costs		673
Deferred sublease income		69
Total accrued expenses and other current liabilities	$ 7,019	$ 4,886