v3.26.1
Note 15 - Income Taxes - Qualified Affordable Housing Projects (Details) - Low Income Housing Tax Credit Funds [Member] - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Tax credits and other tax benefits - decrease in tax expense $ 382,359 $ 305,928 $ 142,691
Amortization - increase in tax expense $ 334,198 $ 237,753 $ 93,012