Note 9 - Shareholders' Equity (Details) (USD $)	0 Months Ended	3 Months Ended		6 Months Ended
	Apr. 15, 2014	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013	Sep. 20, 2012
Note 9 - Shareholders' Equity (Details) [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased						320,000
Purchase And Retire Percentage Of Shares In Common Stock Outstanding						4.90%
Treasury Stock Shares, Acquired And Retired		123,500
Common Stock, Dividends, Per Share, Declared	$ 0.02	$ 0.02	$ 0.02	$ 0.04	$ 0.04
Accounts Payable and Accrued Liabilities [Member]
Note 9 - Shareholders' Equity (Details) [Line Items]
Dividends Payable	$ 138,807
Minimum [Member]
Note 9 - Shareholders' Equity (Details) [Line Items]
Stock Repurchase Program, Period in Force		12 months
Maximum [Member]
Note 9 - Shareholders' Equity (Details) [Line Items]
Stock Repurchase Program, Period in Force		24 months