Property, Plant and Equipment, net (Details) - Property, Plant and Equipment - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 3,202,000	$ 3,200,000
Less accumulated depreciation	1,487,000	1,422,000
Net property, plant and equipment	1,715,000	1,778,000
Machinery Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	3,179,000	3,177,000
Leaseholds and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 23,000	$ 23,000