Note 5 - Securities (Details) - Securities by Contractual Maturity - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Available for Sale:
Due in one year or less	$ 338
Due in one year or less	339
Due after one year through five years	37,130
Due after one year through five years	37,470
Due after give years through ten years	27,571
Due after give years through ten years	27,537
Due after ten years	149,402
Due after ten years	145,750
No maturity	189
No maturity	136
Total securities available for sale	214,630
Total securities available for sale	211,232	$ 222,844
Held to maturity:
Due in one year or less	901
Due in one year or less	909
Due after one year through five years	12,890
Due after one year through five years	13,781
Due after give years through ten years	20,165
Due after give years through ten years	21,185
Due after ten years	120,688
Due after ten years	123,568
Total securities held to maturity	154,644	161,452
Total securities held to maturity	$ 159,443	$ 167,703