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Note 12 - Income Taxes (Details) - Components of Income Tax Expense (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Components of Income Tax Expense [Abstract]
Current									$ 2,027us-gaap_CurrentIncomeTaxExpenseBenefit	$ 2,055us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred									285us-gaap_DeferredIncomeTaxExpenseBenefit	200us-gaap_DeferredIncomeTaxExpenseBenefit
Totals	$ 450us-gaap_IncomeTaxExpenseBenefit	$ 611us-gaap_IncomeTaxExpenseBenefit	$ 692us-gaap_IncomeTaxExpenseBenefit	$ 559us-gaap_IncomeTaxExpenseBenefit	$ 534us-gaap_IncomeTaxExpenseBenefit	$ 653us-gaap_IncomeTaxExpenseBenefit	$ 557us-gaap_IncomeTaxExpenseBenefit	$ 511us-gaap_IncomeTaxExpenseBenefit	$ 2,312us-gaap_IncomeTaxExpenseBenefit	$ 2,255us-gaap_IncomeTaxExpenseBenefit

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.