Note 7 - Loans And Related Allowance For Loan Losses (Details) - Troubled Debt Restructurings That Subsequently Defaulted (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Commercial and Industrial [Member]
Note 7 - Loans And Related Allowance For Loan Losses (Details) - Troubled Debt Restructurings That Subsequently Defaulted [Line Items]
Number of contracts	3	0	5	1
Recorded Investment (in Dollars)	$ 193	$ 0	$ 239	$ 41
Residential Real Estate Mortgage [Member]
Note 7 - Loans And Related Allowance For Loan Losses (Details) - Troubled Debt Restructurings That Subsequently Defaulted [Line Items]
Number of contracts	0	3	0	3
Recorded Investment (in Dollars)	$ 0	$ 168	$ 0	$ 168