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Schedule of Intangible Assets (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Less: accumulated amortization	$ (586,000)	$ (522,000)
Total	306,000	370,000
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Patent costs, subject to amortization	768,000	768,000
Total	182,000	246,000
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Total	$ 124,000	$ 124,000

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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