Schedule of Property and Equipment, Net (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 3,706,000	$ 3,706,000
Less: accumulated depreciation	(3,409,000)	(3,317,000)
Property and equipment, net of depreciation	297,000	389,000
Manufacturing and Customer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,637,000	3,637,000
Other Property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 69,000	$ 69,000

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
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-Paragraph 1
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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