Note 2 - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 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	$ 2,694		$ 2,694		$ 3,412
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down					0
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	88
Collateral Dependent Loans [Member]
Note 2 - Fair Value of Financial Instruments (Details) [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	4,045		4,045		12,773
Impaired Financing Receivable, Related Allowance	437		437		$ 3,292
Provision Reversal For Loan Losses	$ 19	127	13
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down		157	$ 1,304
Provision for Loan Losses Expensed		$ 46