Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Other Liabilities Disclosure [Abstract]
Accrued research and development expense	$ 1,688	$ 3,043
Accrued professional expenses	1,761	1,386
Accrued compensation and benefit costs	2,158	5,018
Payroll tax payable	708	593
Income taxes payable	207	0
Other liabilities	958	268
Total accrued expenses and other liabilities	$ 7,480	$ 10,308