Accrued Expenses - Summary of Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Payables and Accruals [Abstract]
Accrued clinical and manufacturing costs	$ 2,184	$ 906
Accrued compensation	2,151	2,295
Professional services	1,604	2,313
Contribution payable	902	713
Lease liabilities	70
Other payables	228	3
Total accrued expenses	$ 7,139	$ 6,230