Accrued Expenses - Schedule (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Accrued Expenses
Accrued preclinical and clinical trial costs	$ 688	$ 756
Accrued restructuring charges	0	3
Accrued compensation	1,077	2,393
Accrued consulting	151	68
Accrued professional services	141	17
Accrued other	362	401
Total accrued expenses	$ 2,419	$ 3,638