Note 10 - Income Taxes (Details) - Deferred Tax Assets and Liabilities - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets
Allowance for loan losses	$ 3,125	$ 4,143
Deferred compensation	786	786
Unrealized losses on securities available for sale	1,774	354
Realized losses in other than temporary impairment charge	334	1,124
Foreclosed real estate write-downs	2,350	1,470
Interest income on non-accrual loans	1,185	1,117
Net operating loss carryforward	10,775	10,622
Other	1,580	1,329
Total deferred tax assets	21,909	20,945
Deferred tax liabilities
Deferred loan costs	1,029	934
Other	672	370
Total deferred tax liabilities	1,701	1,304
Net deferred tax asset before valuation allowance	20,208	19,641
Less: valuation allowance	(13,722)	(14,659)
Net deferred tax asset	$ 6,486	$ 4,982