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Income Taxes (Narrative) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2012
Dec. 31, 2023
Proceeds from sale of common stock   $ 22,500,000  
Net operating loss carryforwards $ 21,927,000    
Carryforwards utilize limit before the stock offering closed 163,000    
Unutilized operating loss carryforwards that will expire 20,520,000    
Reduced deferred tax assets and valuation allowance 6,977,000    
Deferred tax liability to be recorded 473,000    
Additional bad debt deductions 2,250,000    
Deferred tax asset 4,177,000   $ 3,942,000
Deferred tax asset, valuation allowance 0    
Unrecognized tax benefits $ 0   $ 0
Minimum [Member]      
Net operating loss carryforwards, expiration date Jan. 01, 2024    
Maximum [Member]      
Net operating loss carryforwards, expiration date Dec. 31, 2032