v3.25.4
Note 6 - Long-term Debt and Notes Payable (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Jan. 31, 2026
Oct. 31, 2023
Oct. 31, 2025
Jul. 24, 2020
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Prime Rate [Member] Prime Rate [Member]    
Revolving Credit Facility [Member] | North Mill Capital LLC [Member]        
Debt Instrument, Interest Rate, Effective Percentage 8.25%   8.50% 4.75%
Line of Credit Facility, Percent of Eligible Accounts 85.00%      
Line of Credit Facility, Percent of Eligible Inventory 35.00%      
Line of Credit Facility, Additional Capacity for Advances $ 7,000,000      
Line of Credit Facility, Maximum Percentage of Outstanding Eligible Accounts Loan Value 100.00%      
Line of Credit Facility, Maximum Borrowing Capacity $ 18,000,000      
Debt Instrument, Basis Spread on Variable Rate 1.50%      
Long-Term Line of Credit $ 4,600,000   $ 5,600,000  
Line of Credit Facility, Remaining Borrowing Capacity 4,700,000   $ 4,700,000  
Revolving Credit Facility [Member] | SLR Business Credit [Member]        
Line of Credit Facility, Restricted Capacity for Advances $ 1,150,000      
Maximum [Member] | Revolving Credit Facility [Member] | North Mill Capital LLC [Member]        
Debt Instrument, Interest Rate, Effective Percentage       6.00%
Virginia Real Estate Loan [Member]        
Debt Instrument, Amortization Period 240 months      
Debt Instrument, Interest Rate, Effective Percentage 6.75%   7.00%  
Loans Payable, Noncurrent $ 2,600,000   $ 2,600,000  
Virginia Real Estate Loan [Member] | Minimum [Member]        
Debt Instrument, Interest Rate, Effective Percentage 8.50%