Note 8 - Mortgages (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Oct. 31, 2025	Oct. 31, 2024
JP Morgan Chase Bank [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50,000
Warehouse Agreement Borrowings	$ 0	$ 7,300
Line of Credit Facility, Expiration Date	Apr. 01, 2026
JP Morgan Chase Bank [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.00%
JP Morgan Chase Bank [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Customers Bank [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 100,000
Warehouse Agreement Borrowings	$ 17,800	78,600
Line of Credit Facility, Expiration Date	Mar. 04, 2026
Customers Bank [Member] \| Bloomberg Short-term Bank Yield Index ("BSBY") rate or SOFR \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.125%
Customers Bank [Member] \| Bloomberg Short-term Bank Yield Index ("BSBY") rate or SOFR \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	4.50%
Hinsdale Bank & Trust Company, N.A. [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50,000
Warehouse Agreement Borrowings	$ 35,900	45,500
Line of Credit Facility, Expiration Date	Jul. 13, 2026
Hinsdale Bank & Trust Company, N.A. [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Debt Instrument Variable Rate Basis Floor Rate	2.75%
Plains Capital Bank [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 75,000
Warehouse Agreement Borrowings	$ 40,600
Line of Credit Facility, Expiration Date	May 31, 2026
Plains Capital Bank [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument [Line Items]
Debt Instrument Variable Rate Basis Floor Rate	5.50%
Plains Capital Bank [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.125%
Plains Capital Bank [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	9.00%
Nonrecourse Mortgages Secured By Inventory [Member] \| Mortgages [Member] \| Home Building [Member]
Debt Instrument [Line Items]
Secured Debt	$ 29,500	90,700
Debt Instrument, Collateral Amount	$ 113,900	$ 249,700
Debt, Weighted Average Interest Rate	7.40%	8.70%

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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