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Schedule of Prior Financial Information (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Property, plant and equipment, net of depreciation $ 487,000   $ 487,000   $ 801,000  
Total assets 3,953,000   3,953,000   5,505,000  
Accumulated deficit (60,095,000)   (60,095,000)   (57,972,000)  
Total stockholders’ equity 1,293,000 $ 4,616,000 1,293,000 $ 4,616,000 2,933,000 $ 8,503,000
Total liabilities and stockholders’ equity 3,953,000   3,953,000   5,505,000  
Depreciation and amortization 114,000 91,000 310,000 327,000    
Total operating expenses 1,389,000 1,964,000 4,365,000 5,200,000    
Net loss $ (476,000) (2,687,000) (2,123,000) (4,276,000)    
Depreciation and amortization     325,000 344,000    
Net cash used in operating activities     $ (2,008,000) (2,619,000)    
Previously Reported [Member]            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Property, plant and equipment, net of depreciation         389,000  
Total assets         5,093,000  
Accumulated deficit         (58,384,000)  
Total stockholders’ equity         2,521,000  
Total liabilities and stockholders’ equity         5,093,000  
Depreciation and amortization   112,000   390,000    
Total operating expenses   1,985,000   5,263,000    
Net loss   (2,708,000)   (4,339,000)    
Depreciation and amortization       407,000    
Net cash used in operating activities       (2,619,000)    
Revision of Prior Period, Adjustment [Member]            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Property, plant and equipment, net of depreciation         412,000  
Total assets         412,000  
Accumulated deficit         412,000  
Total stockholders’ equity         412,000  
Total liabilities and stockholders’ equity         $ 412,000  
Depreciation and amortization   (21,000)   (63,000)    
Total operating expenses   (21,000)   (63,000)    
Net loss   $ 21,000   63,000    
Depreciation and amortization       (63,000)    
Net cash used in operating activities