Note 29 - Parent Company Financial Statements - Condensed Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other income									$ 639	$ 327	$ 2,477
Total income	$ 1,250	$ 959	$ 437	$ 949	$ 640	$ 808	$ 881	$ 854	3,595	3,183	4,315
Interest expense									4,778	4,983	4,092
Noninterest expense	7,815	7,125	7,668	10,001	6,616	5,574	6,122	6,593	32,609	24,905	26,434
Income before income taxes and equity in undistributed net income of subsidiaries	2,869	3,110	1,986	(748)	2,375	3,689	3,354	2,630	7,217	12,048	7,307
Income tax expense	572	744	430	212	505	1,164	964	829	1,958	3,462	1,580
Net income					1,870	2,525	2,390	1,801	5,259	8,586	5,727
Less: Preferred stock extinguishment costs										102
Income available to common shareholders	$ 2,297	$ 2,366	$ 1,556	$ (960)	$ 1,729	$ 2,475	$ 2,340	$ 1,751	5,259	8,295	5,527
Parent Company [Member]
Other income									7	6	482
Dividends from subsidiaries									4,200	2,850	10,100
Total income									4,207	2,856	10,582
Management fees paid to subsidiaries									259	229	208
Interest expense									1,409	267	363
Noninterest expense									345	337	1,719
Total expenses									2,013	833	2,290
Income before income taxes and equity in undistributed net income of subsidiaries									2,194	2,023	8,292
Income tax expense									1	1	1
Income before equity in undistributed net income of subsidiaries									2,193	2,022	8,291
Equity (deficit) in undistributed net income of subsidiaries									3,066	6,564	(2,564)
Net income									5,259	8,586	5,727
Less: Preferred stock extinguishment costs										102
Less: Preferred dividends										189	200
Income available to common shareholders									$ 5,259	$ 8,295	$ 5,527