Note 5 - Loans (Details) - Gross Loans (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Note 5 - Loans (Details) - Gross Loans [Line Items]
Loans	$ 753,049	$ 767,513	$ 741,355
Percentage of loans and leases receivable gross carrying amount	100.00%	100.00%
Commercial Real Estate Loans [Member]
Note 5 - Loans (Details) - Gross Loans [Line Items]
Loans	441,170	455,452	449,619
Percentage of loans and leases receivable gross carrying amount	58.60%	59.40%
Single Family Residential [Member]
Note 5 - Loans (Details) - Gross Loans [Line Items]
Loans	177,179	178,125	170,735
Percentage of loans and leases receivable gross carrying amount	23.50%	23.20%
Commercial and Industrial [Member]
Note 5 - Loans (Details) - Gross Loans [Line Items]
Loans	72,260	73,078	63,993
Percentage of loans and leases receivable gross carrying amount	9.60%	9.50%
Consumer [Member]
Note 5 - Loans (Details) - Gross Loans [Line Items]
Loans	51,849	50,099	48,480
Percentage of loans and leases receivable gross carrying amount	6.90%	6.50%
Other Financing Receivable [Member]
Note 5 - Loans (Details) - Gross Loans [Line Items]
Loans	$ 10,591	$ 10,759
Percentage of loans and leases receivable gross carrying amount	1.40%	1.40%