Note 8 - Loans and Allowance for Loan Losses (Details) - Major Classes of Loans (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	$ 521,973	$ 501,752
Net unearned costs (fees)	6	(36)
Loans receivable	521,979	501,716
Commercial:Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	115,406	111,339
Commercial:Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	18,908	15,929
Commercial:Secured by Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	186,777	190,602
Commercial Secured By Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	49,143	47,672
State And Political Subdivisions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	42,892	33,773
Loans To Depository Institutions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	375	1,250
Indirect Lease Financing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	7,685	8,364
Retail:1-4 Family Residential Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	35,071	29,730
Retail Home Equity Loans And Lines [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	61,802	59,977
Retail:Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Major Classes of Loans	$ 3,914	$ 3,116