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Condensed Consolidated Statements of Operations - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Revenue $ 50,000 $ 50,000    
Costs and expenses:            
Selling, general and administrative 41,000 58,000 81,000 168,000   $ 398,000
Research & Development 266,000 206,000 445,000 374,000 $ 1,226,000 1,080,000
Professional services 407,000 229,000 686,000 356,000   552,000
Depreciation & Amortization 280,000 278,000 560,000 556,000   1,113,000
Other General expenses 14,000 29,000 39,000 55,000   42,000
Total costs and expenses 1,008,000 800,000 1,811,000 1,509,000   3,185,000
Operating loss (1,008,000) (750,000) (1,811,000) (1,459,000)   (3,185,000)
Other income (expense):            
Interest income 3,000 90,000 7,000 186,000   165,000
Other income (expense) 52,000   77,000
Interest expense (116,000) (139,000) (217,000) (272,000)   (300,000)
Impairment of investment          
Loss from continuing operations before income taxes (1,121,000) (799,000) (1,969,000) (1,545,000)   (3,243,000)
Income tax benefit (loss) 621,000 1,395,000
Net loss (1,121,000) (799,000) (1,969,000) (1,545,000)   (1,848,000)
Income from continuing operations attributed to noncontrolling interest 19,000 67,000 30,000 133,000   545,000
Net loss attributable to common stockholders $ (1,102,000) $ (732,000) $ (1,939,000) $ (1,412,000)   $ (1,303,000)
Loss per common share:            
Basic  
Diluted  
Shares used in computing loss per common share:            
Basic 3,877,282,251 3,877,282,251 3,877,282,251 3,877,282,251   3,877,282,251
Diluted 3,877,282,251 3,877,282,251 3,877,282,251 3,877,282,251   3,877,282,251
Previously Reported [Member]            
Costs and expenses:            
Selling, general and administrative         325,000  
Research & Development         1,226,000  
Professional services         722,000  
Depreciation & Amortization         1,113,000  
Other General expenses         68,000  
Total costs and expenses         3,454,000  
Operating loss         (3,454,000)  
Other income (expense):            
Interest income         24,000  
Other income (expense)         116,000  
Interest expense         (462,000)  
Impairment of investment         (4,100,000)  
Loss from continuing operations before income taxes         (7,876,000)  
Income tax benefit (loss)         621,000  
Net loss         (7,255,000) $ (1,848,000)
Income from continuing operations attributed to noncontrolling interest         204,000  
Net loss attributable to common stockholders         $ (7,051,000)  
Loss per common share:            
Basic          
Diluted          
Shares used in computing loss per common share:            
Basic         3,877,282,251  
Diluted         3,877,282,251