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Schedule of Changes in Stockholders' Equity (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance December 31, 2021     $ 8,176,000 $ 2,324,000
Issuance of stock for capital raise       6,000,000
Conversion of debt and accrued interest       685,000
Interest paid in shares       151,000
Stock and options issued for services     98,000 75,000
Stock-based compensation     93,000 10,000
Issuance of stock for warrant exercise     5,000  
Net loss $ (737,000) $ (297,000) (1,631,000) (889,000)
Balance June 30, 2022 6,741,000 8,356,000 6,741,000 8,356,000
Common Stock [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance December 31, 2021    
Beginning balance, shares     12,905,112 11,471,797
Issuance of stock for capital raise      
Issuance of stock for capital raise, shares       1,282,051
Conversion of debt and accrued interest      
Conversion of debt and accrued interest, shares       114,614
Interest paid in shares      
Interest paid in shares, shares       19,377
Stock and options issued for services    
Stock and options issued for services, shares     13,801 4,579
Stock-based compensation    
Issuance of stock for warrant exercise      
Issuance of stock for warrant exercise, shares     986  
Net loss    
Balance June 30, 2022
Ending balance, shares 12,919,899 12,892,418 12,919,899 12,892,418
Additional Paid-in Capital [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance December 31, 2021     $ 60,341,000 $ 53,224,000
Issuance of stock for capital raise       6,000,000
Conversion of debt and accrued interest       685,000
Interest paid in shares       151,000
Stock and options issued for services     98,000 75,000
Stock-based compensation     93,000 10,000
Issuance of stock for warrant exercise     5,000  
Net loss    
Balance June 30, 2022 $ 60,537,000 $ 60,145,000 60,537,000 60,145,000
Retained Earnings [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance December 31, 2021     (52,165,000) (50,900,000)
Issuance of stock for capital raise      
Conversion of debt and accrued interest      
Interest paid in shares      
Stock and options issued for services    
Stock-based compensation    
Issuance of stock for warrant exercise      
Net loss     (1,631,000) (889,000)
Balance June 30, 2022 $ (53,796,000) $ (51,789,000) $ (53,796,000) $ (51,789,000)