Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Payables And Accruals [Abstract]
Accrued compensation and benefits	$ 1,299	$ 667
Accrued research and development expenses	1,099	408
Accrued offering costs	839
Accrued property and equipment	185
Accrued other	157	78
Accrued legal	119	67
Deferred sublease income		66
Total accrued expenses and other current liabilities	$ 3,698	$ 1,286