Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Accrued Expenses
Accrued research and development expenses	$ 5,213	$ 5,744
Accrued employee compensation and benefits	729	1,297
Accrued professional fees	397	345
Other accrued expenses	179	321
Total accrued expenses	$ 6,518	$ 7,707