Note 12 - Commitments - Other Information Related to Leases (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Jul. 31, 2022	Oct. 31, 2021
Operating leases	$ 13,967	$ 1,453
Operating leases (in months) (Month)	116 months 12 days	25 months 7 days
Operating leases	3.75%	3.54%