Note 2 - Investment Securities (Details) - Available-for-sale Securities by Contractual Maturity (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Available-for-sale Securities by Contractual Maturity [Abstract]
One year or less	$ 255
One year or less	257
Over one through five years	710
Over one through five years	720
Over five through ten years	9,687
Over five through ten years	9,700
Greater than 10 years	45,575
Greater than 10 years	45,985
	56,227	58,829
	$ 56,662	$ 57,922