Note 8 - Segment Information - Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Aug. 05, 2016	Dec. 31, 2015
Banking [Member]
Net interest income	$ 8,396	$ 7,627	$ 23,684	$ 22,690
Provision for loan losses	1,675	10	2,180	685
Noninterest income	1,655	1,522	6,220	6,351
Noninterest expense	8,167	7,106	22,460	20,679
Tax expense (benefit)	(193)	471	975	1,834
Net income (loss)	402	1,562	4,289	5,843
Assets	957,889	795,458	957,889	795,458
Consumer Finance [Member]
Net interest income	589	658	2,607	2,674
Provision for loan losses	33	(21)	148	25
Noninterest income	38	62	569	639
Noninterest expense	661	621	2,110	2,029
Tax expense (benefit)	(23)	40	311	426
Net income (loss)	(44)	80	607	833
Assets	12,341	13,008	12,341	13,008
Net interest income	8,985	8,285	26,291	25,364
Provision for loan losses	1,708	(11)	2,328	710
Noninterest income	1,693	1,584	6,789	6,990
Noninterest expense	8,828	7,727	24,570	22,708
Tax expense (benefit)	(216)	511	1,286	2,260
Net income (loss)	358	1,642	4,896	6,676
Assets	$ 970,230	$ 808,466	$ 970,230	$ 808,466	$ 950,000	$ 796,285