Note 14 - Income Taxes (Details) - Gross Deferred Tax Assets, Related Valuation Allowance, and Gross Deferred Tax Liabilities (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred tax assets
Recognized built-in loss carryforward	$ 7,609	$ 7,689
Allowance for loan losses	4,522	5,770
Federal net operating loss carryforward	3,275	6,072
Writedowns of foreclosed real estate	1,912	2,369
Equity-based compensation	1,054	1,047
Pension Plan contributions and accrued liability	1,053	463
Alternative minimum tax credit carryforward	750	493
Unrealized losses on investment securities available for sale	501	1,829
Other	375	365
Nonaccrual loan interest		202
Deferred tax assets, gross	21,051	26,299
Valuation allowance
Deferred tax assets, net of valuation allowance	21,051	26,299
Deferred tax liabilities
Deferred loan fees and costs, net	(1,703)	(1,592)
Premises, equipment and capital leases	(1,148)	(1,380)
Servicing rights	(814)	(874)
Other	(333)	(366)
Deferred tax liabilities, gross	(3,998)	(4,212)
Deferred tax asset, net	$ 17,053	$ 22,087