v3.25.4
Note 7 - Leases (Details Textual)
 3 Months Ended
Jan. 31, 2026
USD ($)
ft²
Jan. 31, 2025
USD ($)
Oct. 31, 2025
USD ($)
Operating Lease, Right-of-Use Asset $ 1,574,225   $ 1,686,290
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]     Other assets, net
Operating Lease, Liability, Current 374,226   $ 392,898
Operating Lease, Liability, Noncurrent $ 1,267,771   $ 1,358,584
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] 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
Operating Lease, Expense $ 153,107 $ 155,393  
Operating Lease, Weighted Average Remaining Lease Term 45 months 6 days    
Operating Lease, Weighted Average Discount Rate, Percent 9.50%    
Operating Lease, Payments $ 150,027 137,517  
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 0 266,141  
Operating Lease, Right-of-Use Asset, Reduction   21,344  
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability 0 0  
Finance Lease, Right-of-Use Asset, after Accumulated Amortization $ 241,203   $ 257,986
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other assets, net   Other assets, net
Finance Lease, Liability, Current $ 77,549   $ 87,014
Finance Lease, Liability, Noncurrent $ 136,338   $ 144,957
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] 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
Finance Lease, Interest Expense $ 4,036 1,072  
Finance Lease, Right-of-Use Asset, Amortization $ 16,784 7,374  
Lessee, Finance Lease, Remaining Lease Term 43 months 15 days    
Lessee, Finance Lease, Discount Rate 7.30%    
Finance Lease, Principal Payments $ 18,085 $ 9,645  
Operating Lease for Office, Manufacturing and Warehouse Space in Plano, Texas [Member]      
Area of Real Estate Property | ft² 34,000    
Operating Lease for Warehouse Space in Roanoke, Virginia [Member]      
Area of Real Estate Property | ft² 36,000    
Operating Lease For Office Equipment [Member]      
Lessee, Operating Lease, Term of Contract 60 months