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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)
Apr. 30, 2012
Oct. 31, 2011
Preferred stock, par value (in Dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in Shares) 100,000 100,000
Preferred stock, shares issued (in Shares) 5,600 5,600
Preferred stock, liquidation preference (in Dollars per share) $ 140,000 $ 140,000
Common Class A [Member]
    
Common stock, par value (in Dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in Shares) 200,000,000 200,000,000
Common stock, shares issued (in Shares) 123,846,752 92,141,492
Common stock, shares held in Treasury (in Shares) 11,760,763 11,694,720
Common Class B [Member]
    
Common stock, par value (in Dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in Shares) 30,000,000 30,000,000
Common stock, shares issued (in Shares) 15,351,701 15,252,212
Common stock, shares held in Treasury (in Shares) 691,748 691,748