Note 10 - Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	35.00%	35.00%
Net Deferred Tax Asset Before Valuation Allowance	$ 20,208	$ 19,641
Deferred Tax Assets, Operating Loss Carryforwards	10,775	10,622
Deferred Tax Assets, Temporary Timing Differences	9,400
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses	$ 3,125	4,143
Period of Net Operating Loss Carried Back	2 years
Period of Net Operating Loss Carried Forward	20 years
Operating Loss Carryforwards	$ 29,900
Deferred Tax Asset, Projected Realization Amount	6,500	5,000
Deferred Tax Assets, Valuation Allowance	$ 13,722	$ 14,659