Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Oct. 31, 2025	Oct. 31, 2024
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, shares outstanding (in shares)	5,600	5,600
Preferred stock, liquidation preference	$ 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)	16,000,000	16,000,000
Common stock, shares issued (in shares)	6,503,722	6,415,794
Common stock, shares held in Treasury (in shares)	1,348,087	1,090,179
Common Class B [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	2,400,000	2,400,000
Common stock, shares issued (in shares)	812,410	757,023
Common stock, shares held in Treasury (in shares)	27,669	27,669