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Schedule of Major Classes of Property and Equipment (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 3,706,000 $ 3,836,000
Less: accumulated depreciation (3,317,000) (2,894,000)
Property and equipment 389,000 942,000
Equipment not yet placed in service 646,000
Property and equipment, net of depreciation 389,000 1,588,000
Manufacturing Equipment and Customer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 3,637,000 3,800,000
Other Property [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 69,000 $ 36,000