Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Apr. 30, 2013	Oct. 31, 2012
Preferred stock, par value (in Dollars per share)	$ 0.01	$ 0.01	[1]
Preferred stock, shares authorized	100,000	100,000	[1]
Preferred stock, shares issued	5,600	5,600	[1]
Preferred stock, liquidation preference (in Dollars per share)	$ 140,000	$ 140,000	[1]
Common Class A [Member]
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01	[1]
Common stock, shares authorized	400,000,000	400,000,000	[1]
Common stock, shares issued	136,244,962	130,055,304	[1]
Common stock, shares held in Treasury	11,760,763	11,760,763	[1]
Common Class B [Member]
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01	[1]
Common stock, shares authorized	60,000,000	60,000,000	[1]
Common stock, shares issued	15,349,699	15,350,101	[1]
Common stock, shares held in Treasury	691,748	691,748	[1]

[1] Derived from the audited balance sheet as of October 31, 2012.