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Note 6 - Long-term Debt and Note Payable to Bank - Long-term Debt (Details) - USD ($)
Jul. 31, 2015
Oct. 31, 2014
Virginia Real Estate Loan [Member]    
Long-term Loan $ 5,425,310 $ 5,575,586
North Carolina Real Estate Loan [Member]    
Long-term Loan 1,869,645 1,921,433
Long-term Loan 7,294,955 7,497,019
Less current installments 277,969 269,996
Long-term debt, excluding current installments $ 7,016,986 $ 7,227,023