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Note 7 - Long-term Debt and Note Payable to Bank (Details Textual) - USD ($)
12 Months Ended
Oct. 31, 2017
Apr. 27, 2017
Apr. 26, 2017
Jan. 01, 2017
Oct. 31, 2016
Apr. 26, 2016
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months $ 250,726          
Long-term Debt, Maturities, Repayments of Principal in Year Two 5,960,953          
Long-term Debt, Maturities, Repayments of Principal in Year Three 271,598          
Long-term Debt, Maturities, Repayments of Principal in Year Four 282,678          
Long-term Debt, Maturities, Repayments of Principal in Year Five 294,208          
Pinnacle Financial Partners [Member] | Revolving Credit Facility [Member]            
Line of Credit Facility, Maximum Borrowing Capacity           $ 7,000,000
Long-term Line of Credit 5,700,000          
Line of Credit Facility, Remaining Borrowing Capacity $ 1,300,000          
Pinnacle Financial Partners [Member] | Revolving Credit Facility [Member] | Base Rate [Member]            
Debt Instrument, Basis Spread on Variable Rate 2.50%          
Pinnacle Financial Partners [Member] | Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument, Interest Rate, Effective Percentage 3.73%          
Pinnacle Financial Partners [Member] | 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] | Pinnacle Financial Partners [Member]            
Debt Instrument, Interest Rate, Stated Percentage       3.75%    
Virginia Real Estate Loan [Member]            
Debt Instrument, Interest Rate, Stated Percentage 3.95%       3.95%  
Virginia Real Estate Loan [Member] | Pinnacle Financial Partners [Member]            
Debt Instrument, Interest Rate, Stated Percentage   3.95% 3.75%      
The Commercial Loan [Member] | Pinnacle Financial Partners [Member] | Revolving Credit Facility [Member]            
Long-term Line of Credit         $ 5,000,000  
Line of Credit Facility, Remaining Borrowing Capacity         $ 2,000,000