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Note 12 - Income Taxes (Details) - The Provision (Benefit) for Federal Income Taxes (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	Dec. 31, 2012
The Provision (Benefit) for Federal Income Taxes [Abstract]
Current payable									$ 2,146us-gaap_CurrentIncomeTaxExpenseBenefit	$ 1,556us-gaap_CurrentIncomeTaxExpenseBenefit	$ 1,660us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred									(154)us-gaap_DeferredIncomeTaxExpenseBenefit	423us-gaap_DeferredIncomeTaxExpenseBenefit	2us-gaap_DeferredIncomeTaxExpenseBenefit
Total provision	$ 550us-gaap_IncomeTaxExpenseBenefit	$ 529us-gaap_IncomeTaxExpenseBenefit	$ 414us-gaap_IncomeTaxExpenseBenefit	$ 499us-gaap_IncomeTaxExpenseBenefit	$ 500us-gaap_IncomeTaxExpenseBenefit	$ 521us-gaap_IncomeTaxExpenseBenefit	$ 476us-gaap_IncomeTaxExpenseBenefit	$ 482us-gaap_IncomeTaxExpenseBenefit	$ 1,992us-gaap_IncomeTaxExpenseBenefit	$ 1,979us-gaap_IncomeTaxExpenseBenefit	$ 1,662us-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.