Note 5 - Loans Modified in a Troubled Debt Restructuring (Details) $ in Thousands	6 Months Ended
Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Commercial Portfolio Segment [Member]
Number of Contracts	12	3
Pre-Modification of Outstanding Recorded Investment	$ 2,931	$ 2,049
Post-Modification of Outstanding Recorded Investment	$ 2,931	$ 2,043
Real Estate Porfolio Segment [Member] \| Commercial Real Estate Including Multi-family Residential but Not Construction and Land Development [Member]
Number of Contracts	6
Pre-Modification of Outstanding Recorded Investment	$ 6,250
Post-Modification of Outstanding Recorded Investment	$ 6,250
Real Estate Porfolio Segment [Member] \| Commercial Real Estate Construction and Land Development [Member]
Number of Contracts
Pre-Modification of Outstanding Recorded Investment
Post-Modification of Outstanding Recorded Investment
Real Estate Porfolio Segment [Member] \| 1-4 Family Residential Including Home Equity [Member]
Number of Contracts
Pre-Modification of Outstanding Recorded Investment
Post-Modification of Outstanding Recorded Investment
Real Estate Porfolio Segment [Member] \| Residential Construction [Member]
Number of Contracts
Pre-Modification of Outstanding Recorded Investment
Post-Modification of Outstanding Recorded Investment
Consumer Portfolio Segment [Member]
Number of Contracts	1
Pre-Modification of Outstanding Recorded Investment	$ 7
Post-Modification of Outstanding Recorded Investment	$ 7
Number of Contracts	19	3
Pre-Modification of Outstanding Recorded Investment	$ 9,188	$ 2,049
Post-Modification of Outstanding Recorded Investment	$ 9,188	$ 2,043

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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