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Note 6 - Warranty Costs (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended
Jan. 31, 2023
Jan. 31, 2022
Cash Received from Subcontractors for Owner Controlled Insurance Program $ 1,000 $ 1,200
General Liability Insurance Deductible 25,000 25,000
Aggregate Retention for Construction Defects Warranty and Bodily Injury Claims 25,000 25,000
Payments by Insurance Companies for Claims 100 100
CALIFORNIA    
Bodily Injury Insurance Deductible 500 500
Bodily Injury Insurance Limit 5,000 5,000
All States Other Than California [Member]    
Bodily Injury Insurance Deductible 250 250
Bodily Injury Insurance Limit $ 5,000 $ 5,000