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Note 12 - Income Taxes (Details) - Components of Income Tax Expense - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Dec. 31, 2013
Components of Income Tax Expense [Abstract]                          
Current                       $ 2,027 $ 2,055
Deferred                   $ 263 $ (65) 285 200
Totals $ 487 $ 450 $ 611 $ 692 $ 559 $ 534 $ 653 $ 557 $ 511 $ 956 $ 1,251 $ 2,312 $ 2,255