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Note 11 - Federal and State Income Taxes (Details) - Components of Income Tax Expense (Benefit) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Current:                      
Federal                 $ 124 $ 0 $ 0
State                 35 51 35
                159 51 35
Deferred:                      
Federal                 2,909 1,166 (1,904)
State                 688 199 (864)
                3,597 1,365 (2,768)
Total income tax expense (benefit) $ 776 $ 1,575 $ 1,733 $ (328) $ (257) $ 601 $ 627 $ 445 $ 3,756 $ 1,416 $ (2,733)