Note 3 - Loans (Details) - Recorded Investment In Troubled Debt Restructurings (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2013
Commercial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1
Pre-Modification Outstanding Recorded Investment	$ 229
Post-Modification Outstanding Recorded Investment	208
Real Estate Mortgage Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	1
Pre-Modification Outstanding Recorded Investment	696
Post-Modification Outstanding Recorded Investment	482
Commercial Real Estate Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	4
Pre-Modification Outstanding Recorded Investment	3,074
Post-Modification Outstanding Recorded Investment	$ 2,636

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

+ References

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=28368275&loc=SL6953676-111524

+ Details

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

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