Note 8 - Loans & Allowance for Loan Losses (Details) - Retail Loans by Credit Quality (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Retail:
Loans	$ 489,209	$ 477,790
Retail:1-4 Family Residential Mortgages [Member] | Performing Financing Receivable [Member]
Retail:
Loans	27,454	28,398
Retail:1-4 Family Residential Mortgages [Member] | Nonperforming Financing Receivable [Member]
Retail:
Loans	320	335
Retail:1-4 Family Residential Mortgages [Member]
Retail:
Loans	27,774	28,733
Retail Home Equity Loans And Lines [Member] | Performing Financing Receivable [Member]
Retail:
Loans	56,538	54,514
Retail Home Equity Loans And Lines [Member] | Nonperforming Financing Receivable [Member]
Retail:
Loans	239	346
Retail Home Equity Loans And Lines [Member]
Retail:
Loans	56,777	54,860
Retail:Consumer [Member] | Performing Financing Receivable [Member]
Retail:
Loans	2,186	2,012
Retail:Consumer [Member]
Retail:
Loans	2,186	2,012
Total Retail Loans [Member] | Performing Financing Receivable [Member]
Retail:
Loans	86,178	84,924
Total Retail Loans [Member] | Nonperforming Financing Receivable [Member]
Retail:
Loans	559	681
Total Retail Loans [Member]
Retail:
Loans	$ 86,737	$ 85,605