v3.26.1
Note 7 - Leases (Details Textual)
 3 Months Ended 6 Months Ended
Apr. 30, 2026
USD ($)
ft²
Apr. 30, 2025
USD ($)
Apr. 30, 2026
USD ($)
ft²
Apr. 30, 2025
USD ($)
Oct. 31, 2025
USD ($)
Operating Lease, Right-of-Use Asset $ 1,898,260   $ 1,898,260   $ 1,686,290
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other assets, net   Other assets, net   Other assets, net
Operating Lease, Liability, Current $ 445,288   $ 445,288   $ 392,898
Operating Lease, Liability, Noncurrent $ 1,531,996   $ 1,531,996   $ 1,358,584
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accounts payable and accrued expenses   Accounts payable and accrued expenses   Accounts payable and accrued expenses
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other noncurrent liabilities   Other noncurrent liabilities   Other noncurrent liabilities
Operating Lease, Expense $ 163,937 $ 154,266 $ 317,044 $ 309,659  
Operating Lease, Weighted Average Remaining Lease Term 44 months 3 days   44 months 3 days    
Operating Lease, Weighted Average Discount Rate, Percent 9.20%   9.20%    
Operating Lease, Payments $ 151,346 147,622 $ 301,373 285,139  
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 488,686 0      
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability 35,081 0      
Finance Lease, Right-of-Use Asset, after Accumulated Amortization $ 259,500   $ 259,500   $ 257,986
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other assets, net   Other assets, net   Other assets, net
Finance Lease, Liability, Current $ 74,748   $ 74,748   $ 87,014
Finance Lease, Liability, Noncurrent $ 155,856   $ 155,856   $ 144,957
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accounts payable and accrued expenses   Accounts payable and accrued expenses   Accounts payable and accrued expenses
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other noncurrent liabilities   Other noncurrent liabilities   Other noncurrent liabilities
Finance Lease, Interest Expense $ 3,759 956 $ 7,795 2,028  
Finance Lease, Right-of-Use Asset, Amortization $ 16,783 7,374 $ 33,567 14,748  
Lessee, Finance Lease, Remaining Lease Term 44 months 24 days   44 months 24 days    
Lessee, Finance Lease, Discount Rate 6.60%   6.60%    
Finance Lease, Principal Payments $ 18,362 $ 9,761 $ 36,447 $ 19,405  
Operating Lease for Office, Manufacturing and Warehouse Space in Plano, Texas [Member]          
Area of Real Estate Property | ft² 34,000   34,000    
Operating Lease for Warehouse Space in Roanoke, Virginia [Member]          
Area of Real Estate Property | ft² 36,000   36,000    
Operating Lease for Warehouse Space in Roanoke, Virginia 2 [Member]          
Area of Real Estate Property | ft² 27,500   27,500    
Operating Lease For Office Equipment [Member]          
Lessee, Operating Lease, Term of Contract 60 months   60 months