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Note 12 - Income Taxes (Details Textual) - USD ($)
 12 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Oct. 31, 2009
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00%  
Deferred Tax Assets, Gross $ 4,865,610 $ 3,954,920  
Deferred Tax Assets, Operating Loss Carryforwards 3,025,852 2,494,887  
Deferred Tax Assets, Operating Loss Carryforwards, Domestic 13,028,615    
Deferred Tax Assets, Operating Loss Carryforwards, State and Local 2,578,417    
Deferred Tax Assets, Valuation Allowance 4,865,610 3,954,920  
Unrecognized Tax Benefits, Interest on Income Taxes Accrued 1,746 1,546  
Unrecognized Tax Benefits, Income Tax Penalties Accrued 204 332  
Income Tax Examination, Penalties and Interest Accrued 19,218 17,268  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 19,535 $ 20,073  
AOS Acquisition [Member]      
Deferred Tax Assets, Gross     $ 1,517,605
Deferred Tax Assets, Operating Loss Carryforwards $ 672,000   $ 4,455,525