Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Retail Loans by Credit Quality (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	$ 501,752	$ 477,790
Retail:1-4 Family Residential Mortgages [Member] | Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	29,329	28,398
Retail:1-4 Family Residential Mortgages [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	401	335
Retail:1-4 Family Residential Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	29,730	28,733
Retail Home Equity Loans And Lines [Member] | Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	59,712	54,514
Retail Home Equity Loans And Lines [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	265	346
Retail Home Equity Loans And Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	59,977	54,860
Retail:Consumer [Member] | Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	3,099	2,012
Retail:Consumer [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	17
Retail:Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	3,116	2,012
Total Retail Loans [Member] | Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	92,140	84,924
Total Retail Loans [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	683	681
Total Retail Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Retail Loan by Class	$ 92,823	$ 85,605