Annual report [Section 13 and 15(d), not S-K Item 405]

Note 14 - Income Taxes (Details Textual)

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Note 14 - Income Taxes (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Deferred Tax Assets, Valuation Allowance $ 11,327,730 $ 10,757,407
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 570,323  
Foreign Earnings Repatriated 0  
Domestic Tax Jurisdiction [Member]    
Operating Loss Carryforwards 39,550,000  
Operating Loss Carryforwards Subject to Expiration 19,304,000  
Operating Loss Carryforwards Not Subject to Expiration 20,246,000  
State and Local Jurisdiction [Member] | ILLINOIS    
Operating Loss Carryforwards 21,089,000  
State and Local Jurisdiction [Member] | NEW YORK    
Operating Loss Carryforwards $ 11,995,000