Note 6 - Long-term Debt and Note Payable to Bank (Details) - Long-term Debt (Parentheticals) (USD $)	9 Months Ended
	Jul. 31, 2014
Virginia Real Estate Loan [Member]
Note 6 - Long-term Debt and Note Payable to Bank (Details) - Long-term Debt (Parentheticals) [Line Items]
Debt instrument, original principal	$ 6,500,000
Debt instrument, monthly installments	36,426
Debt instrument, interest rate	4.25%
Debt instrument, final payment	4,858,220
Debt instrument, maturity date	Apr. 30, 2018
North Carolina Real Estate Loan [Member]
Note 6 - Long-term Debt and Note Payable to Bank (Details) - Long-term Debt (Parentheticals) [Line Items]
Debt instrument, original principal	2,240,000
Debt instrument, monthly installments	12,553
Debt instrument, interest rate	4.25%
Debt instrument, final payment	$ 1,674,217
Debt instrument, maturity date	Apr. 30, 2018