Note 18 - Fair Value Measurements (Details) (USD $)					6 Months Ended				6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Collateral Dependent Loans [Member]	Dec. 31, 2013 Collateral Dependent Loans [Member]	Jun. 30, 2014 Commercial and Residential Real Estate Collateral [Member] Minimum [Member]	Jun. 30, 2014 Commercial and Residential Real Estate Collateral [Member] Maximum [Member]	Jun. 30, 2014 Foreclosed Assets Not Covered By FDIC Loss Share [Member]	Dec. 31, 2013 Foreclosed Assets Not Covered By FDIC Loss Share [Member]	Jun. 30, 2014 Special Mention Or Worse [Member]
Note 18 - Fair Value Measurements (Details) [Line Items]
Collateral Dependent Loans Amount At Which Testing Begins									$ 500,000
Collateral Dependent Loans Amount At Which All Loans Are Tested									1,500,000
Real Estate Acquired Through Foreclosure	53,342,000	64,820,000					53,300,000	64,800,000
Fair Value Percentage Of Collateral Discount					10.00%	40.00%
Impaired Financing Receivable, Related Allowance	$ 2,012,000	$ 1,960,000	$ 367,000	$ 249,000