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Note 7 - Commitments and Contingent Liabilities (Details) (DAndrea VHovnanian [Member], USD $) In Millions, unless otherwise specified | 0 Months Ended
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May 15, 2014 Subsequent Event [Member] | Dec. 14, 2011
Note 7 - Commitments and Contingent Liabilities (Details) [Line Items] |  |
Loss Contingency, Number of Plaintiffs |  | 1,065
Litigation Settlement, Amount | $ 21 |

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- Details
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Balance Type: | na
Period Type: | duration

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- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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