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Note 16 - Mortgage Credit Facility (Detail) (USD $)
Jun. 30, 2012
Financial Services [Member]
Dec. 31, 2011
Financial Services [Member]
Jul. 31, 2012
Repurchase Facility [Member]
Jun. 30, 2012
Repurchase Facility [Member]
Warehouse Agreement Borrowings $ 44,427,000 $ 46,808,000    
Line of Credit Facility, Maximum Borrowing Capacity     75,000,000 50,000,000
Restricted Cash and Cash Equivalents $ 1,295,000 $ 1,295,000