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Note 2 - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Note 2 - Fair Value of Financial Instruments (Details) [Line Items]
Selling Costs, Percentage			10.00%
Impaired Financing Receivable, Related Allowance	$ 2,093		$ 2,093		$ 3,412
Other Real Estate	1,147		1,147		1,147
Other Real Estate, Gross					2,217
Real Estate Owned, Valuation Allowance					1,070
SEC Schedule III, Real Estate, Write-down or Reserve, Amount	0	$ 0	0	$ 0
Collateral Dependent Loans [Member]
Note 2 - Fair Value of Financial Instruments (Details) [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	3,443		3,443		12,773
Impaired Financing Receivable, Related Allowance	66		66		$ 3,292
Provision Reversal For Loan Losses	$ 107	$ 533	94	680
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down			$ 1,782	$ 157

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Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

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