Note 6 - Warranty Costs (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021	Oct. 31, 2021
Cash Received from Subcontractors for Owner Controlled Insurance Program	$ 2,400	$ 1,400	$ 5,600	$ 4,500
General Liability Insurance Deductible	25,000		25,000		$ 20,000
Bodily Injury Insurance Deductible	250		250		250
Bodily Injury Insurance Limit	5,000		5,000		5,000
Aggregate Retention for Construction Defects Warranty and Bodily Injury Claims	$ 25,000		25,000		$ 20,000
Payments by Insurance Companies for Claims			$ 100	$ 100