Accrued and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accrued and other current liabilities:
Other accrued expenses	$ 2,616	$ 121
Accrued research and development expenses	974	1,055
Accrued employee expenses	923	456
Professional services	342	743
Total accrued and other current liabilities	$ 4,855	$ 2,375