Note 3 - Loans Receivable (Details) - Loans Modified in TDR by Class of Loan $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)
Construction loans:
Number of contracts	0	1	1	1
Pre-modification outstanding recorded investment		$ 1,932	$ 260	$ 1,932
Post-modification outstanding recorded investment		$ 632	$ 267	$ 632
Real Estate Portfolio Segment [Member] \| Commercial [Member}
Construction loans:
Number of contracts		1	1	1
Pre-modification outstanding recorded investment		$ 1,932	$ 260	$ 1,932
Post-modification outstanding recorded investment		$ 632	255	$ 632
Commercial, Industrial and Agricultural Portfolio Segment [Member]
Construction loans:
Post-modification outstanding recorded investment			$ 12

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- Definition

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=49124121&loc=SL6953676-111524

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

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