Note 7 - Segment Information (Details) - Segment Reporting (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Net interest income	$ 8,782	$ 8,421
Provision expense	494	31
Noninterest income	4,118	3,940
Noninterest expense	7,295	7,948
Tax expense	1,547	1,159
Net income	3,564	3,223
Assets	825,535	834,908	747,368
Banking [Member]
Segment Reporting Information [Line Items]
Net interest income	7,421	7,149
Provision expense	375	(65)
Noninterest income	3,573	3,493
Noninterest expense	6,611	7,296
Tax expense	1,173	830
Net income	2,835	2,581
Assets	812,584	821,720
Consumer Finance [Member]
Segment Reporting Information [Line Items]
Net interest income	1,361	1,272
Provision expense	119	96
Noninterest income	545	447
Noninterest expense	684	652
Tax expense	374	329
Net income	729	642
Assets	$ 12,951	$ 13,188