Note 8 - Securities Available For Sale (Details) - Securities by Contractual Maturity (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Securities by Contractual Maturity [Abstract]
Due less than one year	$ 110,502
Due less than one year	110,576
Due after one year through five years	16,168
Due after one year through five years	16,294
Due after ten years	700
Due after ten years	315
No stated maturity	58
No stated maturity	62
Total	123,779	103,788
Total	$ 127,247	$ 107,956