Note 8 - Loans & Allowance for Loan Losses (Details) - Major Classes of Loans (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Commercial:
Loans	$ 489,209	$ 477,790
Net unearned costs (fees)	6	(57)
Loans receivable	489,215	477,733
Commercial:Commercial and Industrial [Member]
Commercial:
Loans	111,619	100,063
Commercial:Construction [Member]
Commercial:
Loans	10,557	11,061
Commercial:Secured by Commercial Real Estate [Member]
Commercial:
Loans	192,689	192,867
Commercial Secured By Residential Real Estate [Member]
Commercial:
Loans	44,102	41,003
State And Political Subdivisions [Member]
Commercial:
Loans	32,552	34,256
Loans To Depository Institutions [Member]
Commercial:
Loans	2,250	3,250
Indirect Lease Financing [Member]
Commercial:
Loans	8,703	9,685
Retail:1-4 Family Residential Mortgages [Member]
Commercial:
Loans	27,774	28,733
Retail Home Equity Loans And Lines [Member]
Commercial:
Loans	56,777	54,860
Retail:Consumer [Member]
Commercial:
Loans	$ 2,186	$ 2,012