Note 8 - Loans and Allowance for Loan Losses (Details) - Major Classes of Loans (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	$ 521,838	$ 501,752
Net unearned costs (fees)	18	(36)
Loans receivable	521,856	501,716
Commercial:Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	117,527	111,339
Commercial:Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	16,635	15,929
Commercial:Secured by Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	191,228	190,602
Commercial Secured By Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	47,905	47,672
State And Political Subdivisions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	45,069	33,773
Loans To Depository Institutions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	750	1,250
Indirect Lease Financing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	8,093	8,364
Retail:1-4 Family Residential Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	31,493	29,730
Retail Home Equity Loans And Lines [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	59,594	59,977
Retail:Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	$ 3,544	$ 3,116