Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Payables and Accruals [Abstract]
Payroll and employee related expenses	$ 1,533	$ 2,429
Third-party research and development expenses	2,101	1,196
Professional and consulting fees	563	486
Other	40	147
Total accrued expenses and other current liabilities	$ 4,237	$ 4,258