Note 6 - Long-term Debt and Note Payable to Bank (Details) - Long-term Debt (USD $)	Apr. 30, 2014	Oct. 31, 2013
Note 6 - Long-term Debt and Note Payable to Bank (Details) - Long-term Debt [Line Items]
Total long-term debt	$ 7,627,296	$ 7,755,670
Less current installments	264,235	258,628
Long-term debt, excluding current installments	7,363,061	7,497,042
Virginia Real Estate Loan [Member]
Note 6 - Long-term Debt and Note Payable to Bank (Details) - Long-term Debt [Line Items]
Total long-term debt	5,672,474	5,767,947
North Carolina Real Estate Loan [Member]
Note 6 - Long-term Debt and Note Payable to Bank (Details) - Long-term Debt [Line Items]
Total long-term debt	$ 1,954,822	$ 1,987,723