Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 2,074	$ 1,956
Less accumulated depreciation	(1,803)	(1,614)
Property and equipment, net	271	342
Lab Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	1,757	1,631
Finance Lease Rightof Use Lab Equipment Net [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	162	194
Computer And Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 155	$ 131