Note 3 - Loans Receivable - Loans Modified in TDR by Class of Loan (Details) $ in Thousands	6 Months Ended
Jun. 30, 2015 USD ($)
Construction Loan Portfolio Segment [Member] \| Residential [Member]
Financing Receivable, Modifications, Number of Contracts
Pre-modification outstanding recorded investment
Post-modification outstanding recorded investment
Construction Loan Portfolio Segment [Member] \| Land Acquisition Development And Commercial [Member]
Financing Receivable, Modifications, Number of Contracts
Pre-modification outstanding recorded investment
Post-modification outstanding recorded investment
Real Estate Portfolio Segment [Member] \| Residential [Member]
Financing Receivable, Modifications, Number of Contracts
Pre-modification outstanding recorded investment
Post-modification outstanding recorded investment
Real Estate Portfolio Segment [Member] \| Commercial [Member]
Financing Receivable, Modifications, Number of Contracts	1
Pre-modification outstanding recorded investment	$ 260
Post-modification outstanding recorded investment	$ 255
Commercial Industrial and Agricultural Portfolio Segment [Member]
Financing Receivable, Modifications, Number of Contracts
Pre-modification outstanding recorded investment
Post-modification outstanding recorded investment	$ 12
Equity Lines Portfolio Segment [Member]
Financing Receivable, Modifications, Number of Contracts
Pre-modification outstanding recorded investment
Post-modification outstanding recorded investment
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications, Number of Contracts
Pre-modification outstanding recorded investment
Post-modification outstanding recorded investment
Financing Receivable, Modifications, Number of Contracts	1
Pre-modification outstanding recorded investment	$ 260
Post-modification outstanding recorded investment	$ 267

Number of financing receivables that have been modified by troubled debt restructurings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524

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