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Shareholders Equity (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Beginning Balance, Amount $ 23,047,000   $ 23,183,000 $ 23,502,000 $ 23,502,000
Stock Option Expense     271,000 104,000  
Net Loss (1,057,000) $ (701,000) (3,262,000) (1,897,000)  
Issuance Of Shares - Atm, Net, Amount     $ 2,023,000 $ 137,000  
Issuance Of Shares - Option Exercises, Shares     20 83  
Ending Balance, Amount $ 22,235,000 $ 21,929,000 $ 22,235,000 $ 21,929,000 23,183,000
Issuance Of Shares - Option Exercises, Shares 2,360,000 83,000 2,360,000    
Common Stock          
Beginning Balance, Amount     $ 620,000 581,000 581,000
Stock Option Expense     0 0  
Net Loss     0 0  
Ending Balance, Amount $ 648,000 $ 586,000 $ 648,000 $ 586,000 $ 620,000
Beggining Balance, Shares     62,036,399 58,108,366 58,108,366
Issuance Of Shares - Atm, Net, Shares     2,650,724 340,400  
Issuance Of Shares - Atm, Net, Amount     $ 27,000 $ 3,000  
Issuance Of Shares - Option Exercises, Shares     81,750 185,000  
Issuance Of Shares - Option Exercises, Amount     $ 1,000 $ 2,000  
Ending Balance, Shares 64,768,873 58,633,766 64,768,873 58,633,766 62,036,399
Accumulated Deficit          
Beginning Balance, Amount     $ (49,960,000) $ (47,593,000) $ (47,593,000)
Stock Option Expense     0 0  
Net Loss     (3,262,000) (1,897,000)  
Ending Balance, Amount $ (53,222,000) $ (49,490,000) (53,222,000) (49,490,000) (49,960,000)
Issuance Of Shares - Atm, Net, Amount     0 0  
Issuance Of Shares - Option Exercises, Amount     0 0  
Additional Paid-in Capital          
Beginning Balance, Amount     72,523,000 70,514,000 70,514,000
Stock Option Expense     271,000 104,000  
Net Loss     0 0  
Ending Balance, Amount $ 74,809,000 $ 70,833,000 74,809,000 70,833,000 $ 72,523,000
Issuance Of Shares - Atm, Net, Amount     1,996,000 134,000  
Issuance Of Shares - Option Exercises, Amount     $ 19,000 $ 81,000