Note 8 - Loans & Allowance for Loan Losses (Details) - Retail Loans by Credit Quality (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Retail:
Loans	$ 487,478	$ 477,790
Retail:1-4 Family Residential Mortgages [Member] | Performing Financing Receivable [Member]
Retail:
Loans	27,823	28,398
Retail:1-4 Family Residential Mortgages [Member] | Nonperforming Financing Receivable [Member]
Retail:
Loans	289	335
Retail:1-4 Family Residential Mortgages [Member]
Retail:
Loans	28,112	28,733
Retail Home Equity Loans And Lines [Member] | Performing Financing Receivable [Member]
Retail:
Loans	57,865	54,514
Retail Home Equity Loans And Lines [Member] | Nonperforming Financing Receivable [Member]
Retail:
Loans	275	346
Retail Home Equity Loans And Lines [Member]
Retail:
Loans	58,140	54,860
Retail:Consumer [Member] | Performing Financing Receivable [Member]
Retail:
Loans	2,537	2,012
Retail:Consumer [Member]
Retail:
Loans	2,537	2,012
Total Retail Loans [Member] | Performing Financing Receivable [Member]
Retail:
Loans	88,225	84,924
Total Retail Loans [Member] | Nonperforming Financing Receivable [Member]
Retail:
Loans	564	681
Total Retail Loans [Member]
Retail:
Loans	$ 88,789	$ 85,605