v3.26.1
Note 7 - Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Change in valuation allowance $ 0 $ 0
Change in valuation allowance, percent 0.00% 0.00%
Permanent and other differences $ 5,265 $ 36,207
Permanent and other differences, percent 1.80% (21.00%)
State taxes $ 104,790 $ 62,554
State taxes, percent 35.60% (36.30%)
Income tax expense $ 171,874 $ 62,554
Income tax expense (benefit), percent 58.40% (36.30%)
Income Tax Jurisdiction, Domestic Federal [Member]    
Income tax (benefit) at 21% $ 61,819 $ (36,207)
Income tax (benefit) at 21%, percent 21.00% 21.00%