Note 20 - Fair Value Measurements (Details) - Carrying Amount and Fair Value for Other Financial Instruments (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Carrying Amount [Member]
Financial instruments - assets
Loans	$ 788,228	[1]	$ 748,243	[1]
Financial instruments - liabilities
Deposits	928,320		907,360
Fair Value [Member]
Financial instruments - assets
Loans	788,334	[1]	748,330	[1]
Financial instruments - liabilities
Deposits	$ 885,100		$ 896,858

[1] Includes gross loans less impaired loans for which fair value exceeds carrying value and allowance for loan losses relative to loans collectively evaluated for impairment