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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Apr. 30, 2012
Oct. 31, 2011
Statement of Financial Position [Abstract]    
Shares of beneficial interest, par value $ 0.00 $ 0.00
Shares of beneficial interest, shares authorized 8,000,000 8,000,000
Shares of beneficial interest, shares issued 6,993,152 6,993,152
Treasury stock, shares 51,009 51,009