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Note 12 - Income Taxes (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
   

Three months ended

March 31

 
    2025     2024  

Provision for federal income taxes – current

  $ 107,860     $ 169,940  

Provision for state income taxes – current

    813       225  

Provision for (benefit from) federal income taxes – deferred

    38,391       70,569  

Total provision for income taxes

  $ 147,064     $ 240,734