Note 8 - Loans & Allowance for Loan Losses (Details) - Major Classes of Loans (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Commercial:
Loans	$ 487,478	$ 477,790
Net unearned costs (fees)	59	(57)
Loans receivable	487,537	477,733
Commercial:Commercial and Industrial [Member]
Commercial:
Loans	102,562	100,063
Commercial:Construction [Member]
Commercial:
Loans	13,285	11,061
Commercial:Secured by Commercial Real Estate [Member]
Commercial:
Loans	191,992	192,867
Commercial Secured By Residential Real Estate [Member]
Commercial:
Loans	45,448	41,003
State And Political Subdivisions [Member]
Commercial:
Loans	35,467	34,256
Loans To Depository Institutions [Member]
Commercial:
Loans	1,250	3,250
Indirect Lease Financing [Member]
Commercial:
Loans	8,685	9,685
Retail:1-4 Family Residential Mortgages [Member]
Commercial:
Loans	28,112	28,733
Retail Home Equity Loans And Lines [Member]
Commercial:
Loans	58,140	54,860
Retail:Consumer [Member]
Commercial:
Loans	$ 2,537	$ 2,012