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Note 12 - Income Taxes - Income Tax Expense (Details) - USD ($)
 12 Months Ended
Oct. 31, 2024
Oct. 31, 2023
U.S. Federal, Current Income Tax Expense (Benefit) $ 830 $ 105,756
U.S. Federal, Deferred Income Tax Expense (Benefit) 0 0
U.S. Federal, Net Income Tax Expense (Benefit) 830 105,756
State, Current Income Tax Expense (Benefit) 19,872 39,968
State, Deferred Income Tax Expense (Benefit) 0 0
State, Net Income Tax Expense (Benefit) 19,872 39,968
Total, Current Income Tax Expense (Benefit) 20,702 145,724
Total, Deferred Income Tax Expense (Benefit) 0 0
Total, Net Income Tax Expense (Benefit) $ 20,702 $ 145,724