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Note 8 - Mortgages (Details Textual) - USD ($)
$ in Thousands
Oct. 31, 2020
Oct. 31, 2019
JP Morgan Chase Bank [Member]    
Line of Credit Facility, Maximum Borrowing Capacity $ 50,000  
Warehouse Agreement Borrowings, Total $ 23,500 $ 47,100
JP Morgan Chase Bank [Member] | London Interbank Offered Rate (LIBOR) [Member]    
Debt Instrument Variable Rate Basis Adjusted London Interbank Offered Rate LIBOR 0.14%  
JP Morgan Chase Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]    
Debt Instrument, Basis Spread on Variable Rate 2.50%  
Customers Bank [Member]    
Line of Credit Facility, Maximum Borrowing Capacity $ 50,000  
Warehouse Agreement Borrowings, Total $ 31,100 47,600
Customers Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]    
Debt Instrument, Basis Spread on Variable Rate 2.125%  
Customers Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]    
Debt Instrument, Basis Spread on Variable Rate 4.75%  
Nonrecourse Mortgages Secured By Inventory [Member] | Mortgages [Member] | Homebuilding [Member]    
Secured Debt, Total $ 135,122 203,585
Debt Instrument, Collateral Amount $ 368,100 $ 410,200
Debt, Weighted Average Interest Rate 6.40% 8.30%
Comerica Master Repurchase Agreement [Member]    
Line of Credit Facility, Maximum Borrowing Capacity $ 60,000  
Warehouse Agreement Borrowings, Total 32,600 $ 45,500
Line of Credit Facility, Maximum Borrowing Capacity Reversion After Initial Period $ 50,000  
Comerica Master Repurchase Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member]    
Debt Instrument Variable Rate Basis Floor Rate 0.25%  
Comerica Master Repurchase Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]    
Debt Instrument, Basis Spread on Variable Rate 1.875%  
Comerica Master Repurchase Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]    
Debt Instrument, Basis Spread on Variable Rate 3.25%