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CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - $ / shares
Apr. 30, 2024
Oct. 31, 2023
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) 18,223,633 18,192,009
Common stock, shares outstanding (in shares) 17,972,656 17,941,032
Treasury stock (in shares) 250,977 250,977
Series B Convertible Preferred Stock    
Temporary equity, par value per share (in dollars per share) $ 100.00 $ 100.00
Temporary equity, shares authorized (in shares) 50,000 50,000
Temporary equity, shares issued (in shares) 14,790 14,790
Temporary equity, shares outstanding (in shares) 14,790 14,790
Temporary equity, dividend rate 8.75% 8.75%
Series B-2 Preferred    
Temporary equity, par value per share (in dollars per share) $ 100.00 $ 100.00
Temporary equity, shares authorized (in shares) 10,000 10,000
Temporary equity, shares issued (in shares) 9,300 9,300
Temporary equity, shares outstanding (in shares) 9,300 9,300
Temporary equity, dividend rate 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