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Schedule of Prior Financial Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Property, plant and equipment, net of depreciation $ 409,000 $ 801,000  
Total assets 4,810,000 5,505,000  
Accumulated deficit (60,796,000) (57,972,000)  
Total stockholders’ equity 2,503,000 2,933,000 $ 8,503,000
Total liabilities and stockholders’ equity 4,810,000 5,505,000  
Depreciation and amortization 400,000 418,000  
Total operating expenses 5,708,000 7,574,000  
Net loss (2,824,000) (6,134,000)  
Depreciation and amortization 403,000 444,000  
Net cash used in operating activities $ (2,958,000) (2,648,000)  
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   503,000  
Total operating expenses   7,659,000  
Net loss   (6,219,000)  
Depreciation and amortization   529,000  
Net cash used in operating activities   (2,648,000)  
Revision of Prior Period, Reclassification, 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 $ 327,000
Total stockholders’ equity   412,000  
Total liabilities and stockholders’ equity   412,000  
Depreciation and amortization   (85,000)  
Total operating expenses   (85,000)  
Net loss   85,000  
Depreciation and amortization   (85,000)  
Net cash used in operating activities