Note 6 - Warranty Costs (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Cash Received from Subcontractors for Owner Controlled Insurance Program	$ 1,300	$ 1,200
General Liability Insurance Deductible	20,000	20,000
Bodily Injury Insurance Deductible	250	250
Bodily Injury Insurance Limit	5,000	5,000
Aggregate Retention for Construction Defects Warranty and Bodily Injury Claims	20,000	20,000
Payments by Insurance Companies for Claims	$ 100	$ 100