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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
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) 17,756,180 17,647,135
Common stock, shares outstanding (in shares) 17,756,180 17,647,135
Series B Preferred Stock    
Preferred stock, par value (in dollars per share) $ 100 $ 100
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 $ 100
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