Note 6 - Warranty Costs (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Oct. 31, 2017
Cash Received from Subcontractors for Owner Controlled Insurance Program	$ 1,000	$ 900
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		$ 21,000
Payments by Insurance Companies for Claims	$ 100	$ 100