Note 14 - Preferred Stock (Details) - USD ($)		3 Months Ended
	Jul. 12, 2005	Jan. 31, 2016	Jan. 31, 2015	Oct. 31, 2015	[1]
Note 14 - Preferred Stock (Details) [Line Items]
Preferred Stock, Shares Issued (in Shares)		5,600		5,600
Preferred Class A [Member]
Note 14 - Preferred Stock (Details) [Line Items]
Preferred Stock, Shares Issued (in Shares)	5,600
Preferred Stock, Dividend Rate, Percentage	7.625%
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)	$ 25,000
Payments of Dividends		$ 0	$ 0

[1] Derived from the audited balance sheet as of October 31, 2015.