Note 6 - Investment Securities Available For Sale (Details) - Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Amortized Cost and Fair Value of Debt Securities by Contractual Maturity [Abstract]
Due in one year or less	$ 2,781
Due in one year or less	2,835
Due after one year through five years	4,125
Due after one year through five years	4,331
Due after five years through ten years	22,550
Due after five years through ten years	22,894
Due after ten years	149,838
Due after ten years	148,947
Total	179,294
Total	$ 179,007