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Note 6 - Long-term Debt and Notes Payable to Bank (Details Textual) - Pinnacle Financial Partners [Member] - USD ($)
$ in Millions
6 Months Ended
Apr. 30, 2019
Oct. 31, 2018
Revolving Credit Facility [Member]    
Line of Credit Facility, Maximum Borrowing Capacity $ 7.0  
Debt Instrument, Interest Rate, Effective Percentage 5.00%  
Debt Instrument, Covenant, Total Liabilities To Tangible Net Worth Ratio 95.00%  
Debt Instrument, Total Liabilities To Tangible Net Worth Ratio 96.00%  
Long-term Line of Credit, Total $ 5.2 $ 3.0
Line of Credit Facility, Remaining Borrowing Capacity $ 1.8 $ 4.0
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]    
Debt Instrument, Basis Spread on Variable Rate 2.50%  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]    
Debt Instrument, Interest Rate, Effective Percentage 2.50%  
Virginia Real Estate Loan and North Carolina Real Estate Loan [Member]    
Debt Instrument, Interest Rate, Stated Percentage 3.95%