Accrued Expenses (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Accrued Expenses [Abstract]
Legal and accounting fees	$ 40,000	$ 65,000
Accrued compensation	1,129,000	973,000
Lease liability	$ 46,000	$ 40,000
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Total	Total
Accrued research and development costs and other	$ 7,967,000	$ 7,980,000
Total	$ 9,182,000	$ 9,058,000