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Note 9 - Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
  

Ended December 31,

 
  

2024

  

2023

 
         

Litigation reserve

 $450,000  $450,000 

Contractor expenses

  170,841   170,733 

Illinois franchise tax

  94,080   100,800 

Accrued payroll

  78,466   88,153 

Accrued legal fees

  5,500   - 

Accrued Board of Director fees

  42,499   19,500 

Accrued revenue sharing agreements

  14,053   18,658 

Other

  8,449   20,040 

Total accrued liabilities

 $863,888  $867,884