Note 3 - Loans Receivable (Details) - TDR Modifications (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Number of Contracts	1
Pre-Modification Outstanding Recorded Investment	$ 202
Post-Modification Outstanding Recorded Investment	202
Construction Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Pre-Modification Outstanding Recorded Investment	0
Post-Modification Outstanding Recorded Investment	0
Land Acquistion, Development and Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Pre-Modification Outstanding Recorded Investment	0
Post-Modification Outstanding Recorded Investment	0
Real Estate Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1
Pre-Modification Outstanding Recorded Investment	202
Post-Modification Outstanding Recorded Investment	202
Real Estate Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Pre-Modification Outstanding Recorded Investment	0
Post-Modification Outstanding Recorded Investment	0
Commercial, Industrial and Agricultural [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Pre-Modification Outstanding Recorded Investment	0
Post-Modification Outstanding Recorded Investment	0
Equity Lines [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Pre-Modification Outstanding Recorded Investment	0
Post-Modification Outstanding Recorded Investment	0
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	0
Pre-Modification Outstanding Recorded Investment	0
Post-Modification Outstanding Recorded Investment	$ 0