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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
 12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 39,000,000 39,000,000
Common stock, shares issued (in shares) 17,936,377 17,857,707
Common stock, shares outstanding (in shares) 17,685,400 17,606,730
Treasury stock (in shares) 250,977 250,977
Series B Preferred Stock    
Preferred stock, par value (in dollars per share) $ 100.00 $ 100.00
Preferred stock, shares authorized (in shares) 50,000 50,000
Preferred stock, shares issued (in shares) 14,790 14,790
Preferred stock, shares outstanding (in shares) 14,790 14,790
Preferred stock coupon rate (percentage) 8.75% 8.75%
Series B-2 Preferred Stock    
Preferred stock, par value (in dollars per share) $ 100.00 $ 100.00
Preferred stock, shares authorized (in shares) 10,000 10,000
Preferred stock, shares issued (in shares) 9,300 9,300
Preferred stock, shares outstanding (in shares) 9,300 9,300
Preferred stock coupon rate (percentage) 4.00% 4.00%
Liquidation preference per share (in dollars per share) $ 1,000 $ 1,000
Series A Junior Participating Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 20,000 20,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0