Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Payroll and employee related expenses	$ 2,978	$ 4,242
Collaboration and licensing	2,523	0
Accrued patent fees	471	696
Accrued external research and development costs	5,094	7,274
Accrued professional and consulting services	1,257	985
Accrued interest	187	222
Other	392	665
Accrued expenses	$ 12,902	$ 14,084