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Schedule of Property and Equipment, Net (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Property, Plant and Equipment [Line Items]    
 Property and equipment, gross $ 3,020,000 $ 2,926,000
Less: accumulated depreciation (2,700,000) (2,593,000)
Property and equipment, net of depreciation 320,000 333,000
Manufacturing Equipment [Member]    
Property, Plant and Equipment [Line Items]    
 Property and equipment, gross 1,556,000 1,376,000
Customer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
 Property and equipment, gross 1,398,000 1,398,000
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
 Property and equipment, gross $ 66,000 $ 152,000