Note 17 - Earnings Per Share (Details Textual) - $ / shares shares in Millions	12 Months Ended
	Oct. 31, 2022	Dec. 06, 2018
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 11.50	$ 11.50
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	13.0
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	2.4
Unvested Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	1.1
Vested Non-qualified Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0.4
Series A Preferred Stocks [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	2.5