Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Non-Accrual Loans (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Non-Accrual Loans [Line Items]
90 days or more past due and still accruing	$ 1
Non-accrual	13,453	18,572
Commercial:Commercial and Industrial [Member]
Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Non-Accrual Loans [Line Items]
Non-accrual	3,956	6,174
Commercial:Construction [Member]
Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Non-Accrual Loans [Line Items]
Non-accrual	1,319	2,480
Commercial:Secured by Commercial Real Estate [Member]
Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Non-Accrual Loans [Line Items]
Non-accrual	4,630	6,748
Commercial Secured By Residential Real Estate [Member]
Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Non-Accrual Loans [Line Items]
Non-accrual	2,829	2,390
State And Political Subdivisions [Member]
Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Non-Accrual Loans [Line Items]
Non-accrual		1
Indirect Lease Financing [Member]
Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Non-Accrual Loans [Line Items]
Non-accrual	37	98
Retail:1-4 Family Residential Mortgages [Member]
Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Non-Accrual Loans [Line Items]
Non-accrual	401	335
Retail Home Equity Loans And Lines [Member]
Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Non-Accrual Loans [Line Items]
Non-accrual	265	346
Retail:Consumer [Member]
Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Non-Accrual Loans [Line Items]
90 days or more past due and still accruing	1
Non-accrual	$ 16