Note 7 - Loans And Related Allowance For Loan Losses (Details) - Troubled Debt Restructurings Three Months Ended (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Consumer Installment [Member] | Rate Forgiveness [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	1	1	1
Consumer Installment [Member] | Other Restructurings [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0		0	0
Consumer Installment [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1	1	1	1
Pre-modification outstanding recorded investment (in Dollars)	$ 7	$ 17	$ 644	$ 5
Residential Real Estate Mortgage [Member] | Rate Forgiveness [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	1	2	3
Residential Real Estate Mortgage [Member] | Other Restructurings [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	1	0	2
Residential Real Estate Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	2	2	5
Pre-modification outstanding recorded investment (in Dollars)	$ 0	$ 165	$ 383	$ 259