Note 5 - Concentration of Credit Risk (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Note 5 - Concentration of Credit Risk (Details) [Line Items]
Loan Commitments And Standby Letters Of Credit (in Dollars)	$ 69,988	$ 69,345
Commercial Real Estate Loans [Member]
Note 5 - Concentration of Credit Risk (Details) [Line Items]
Loan To Value Ratio Requirement	75.00%
Residential Real Estate Loans [Member]
Note 5 - Concentration of Credit Risk (Details) [Line Items]
Loan To Value Ratio Requirement	80.00%