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Note 5 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment (USD $)
 3 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Note 5 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]    
Dollar Amount of Impairment $ 0 $ 587,000
Homebuilding [Member] | Northeast [Member]
    
Note 5 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]    
Number of Communities 1  
Dollar Amount of Impairment 600,000 [1] 568,000
Pre-Impairment Value 2,900,000 [2]  
Homebuilding [Member] | Mid-Atlantic [Member]
    
Note 5 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]    
Number of Communities 1  
Dollar Amount of Impairment   2,000
Pre-Impairment Value 100,000 [2]  
Homebuilding [Member] | Midwest [Member]
    
Note 5 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]    
Pre-Impairment Value    [2]  
Homebuilding [Member] | Southeast [Member]
    
Note 5 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]    
Number of Communities 1  
Dollar Amount of Impairment   17,000
Pre-Impairment Value 400,000 [2]  
Homebuilding [Member] | Southwest [Member]
    
Note 5 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]    
Pre-Impairment Value    [2]  
Homebuilding [Member] | West [Member]
    
Note 5 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]    
Pre-Impairment Value    [2]  
Homebuilding [Member]
    
Note 5 - Reduction of Inventory to Fair Value (Details) - Inventory Impairments by Homebuilding Segment [Line Items]    
Number of Communities 3  
Dollar Amount of Impairment 600,000 [1]  
Pre-Impairment Value $ 3,400,000 [2]  
[1] During the three months ended January 31, 2013, total impairments were $587 thousand. The impairments were in the Northeast totaling $568 thousand, in the Mid-Atlantic totaling $2 thousand and in the Southeast totaling $17 thousand.
[2] Represents carrying value, net of prior period impairments, if any, at the time of recording the applicable period's impairments.