Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Other current assets	$ 817	$ 1,358
Other Current Assets
Prepayments for clinical trials	500	900
Prepayments for insurance policies	100	300
Prepayments for preclinical studies	100
Prepayments for Delaware's franchise tax		100
Prepayments for other expenses	$ 100	$ 100