Note 12 - Commitments and Contingencies (Details) - Summary of the Bank’s Commitments and Contingent Liabilities (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Note 12 - Commitments and Contingencies (Details) - Summary of the Bank’s Commitments and Contingent Liabilities [Line Items]
Total commitments	$ 225,687	$ 198,805
Commitments to Extend Credit [Member]
Note 12 - Commitments and Contingencies (Details) - Summary of the Bank’s Commitments and Contingent Liabilities [Line Items]
Total commitments	220,808	192,351
Standby Letters of Credit [Member]
Note 12 - Commitments and Contingencies (Details) - Summary of the Bank’s Commitments and Contingent Liabilities [Line Items]
Total commitments	3,014	4,583
Guaranteed Commitments Outstanding [Member]
Note 12 - Commitments and Contingencies (Details) - Summary of the Bank’s Commitments and Contingent Liabilities [Line Items]
Total commitments	$ 1,865	$ 1,871