Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 2,015	$ 1,956
Less: accumulated depreciation and amortization	(1,763)	(1,614)
Property and equipment, net	252	342
Lab Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	1,708	1,631
Finance Lease Right-of-use Lab Equipment [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	$ 145	$ 131