Note 12 - Commitments and Contingencies (Details) - Summary of the Bank’s Commitments and Contingent Liabilities - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Note 12 - Commitments and Contingencies (Details) - Summary of the Bank’s Commitments and Contingent Liabilities [Line Items]
Commitments	$ 203,964	$ 205,586
Commitments to Extend Credit [Member]
Note 12 - Commitments and Contingencies (Details) - Summary of the Bank’s Commitments and Contingent Liabilities [Line Items]
Commitments	197,958	200,991
Standby Letters of Credit [Member]
Note 12 - Commitments and Contingencies (Details) - Summary of the Bank’s Commitments and Contingent Liabilities [Line Items]
Commitments	2,649	2,731
Guaranteed Commitments Outstanding [Member]
Note 12 - Commitments and Contingencies (Details) - Summary of the Bank’s Commitments and Contingent Liabilities [Line Items]
Commitments	$ 3,357	$ 1,864