Note 6 - Long-term Debt and Note Payable to Bank - Long-term Debt (Details) (USD $)
Jan. 31, 2015
Oct. 31, 2014
Long-term debt $ 7,431,268 $ 7,497,019
Less current installments 272,939 269,996
Long-term debt, excluding current installments 7,158,329 7,227,023
North Carolina Real Estate Loan [Member]    
Long-term debt 1,904,581 1,921,433
Virginia Real Estate Loan [Member]    
Long-term debt $ 5,526,687 $ 5,575,586