Note 24 - Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Federal income tax expense, current	$ 283	$ 1,183	$ 617
Federal income tax expense, deferred	409	509	(414)
Federal income tax expense, total	692	1,692	203
State income tax expense, current	582	981	391
State income tax expense, deferred	86	75	83
State income tax expense, total	668	1,056	474
Affordable housing partnership amortization, current	598	714	903
Income tax expense, current	1,463	2,878	1,911
Income tax expense, deferred	495	584	(331)
Income tax expense, total	$ 1,958	$ 3,462	$ 1,580