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Note 7 - Loans and Related Allowance for Loan and Lease Losses (Details) - Classes of the Loan Portfolio Summarized by Credit Quality - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	$ 510,232	$ 470,584
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	488,825	448,759
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	5,675	4,987
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	15,544	16,211
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	188	627
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	53,154	60,744
Commercial and Industrial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	51,230	58,976
Commercial and Industrial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	504
Commercial and Industrial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	1,384	1,730
Commercial and Industrial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	36	38
Real Estate Construction Porfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	17,576	30,296
Real Estate Construction Porfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	16,836	29,212
Real Estate Construction Porfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable		495
Real Estate Construction Porfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	588
Real Estate Construction Porfolio Segment [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	152	589
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	260,291	227,552
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	254,170	218,244
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	549	584
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	5,572	8,724
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	174,336	147,413
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	161,721	137,755
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,622	3,908
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	7,993	5,750
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,875	4,579
Consumer Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	4,868	4,572
Consumer Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable	$ 7	$ 7

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 310



-SubTopic 10



-Section 45



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 310



-SubTopic 10



-Section 50



-Paragraph 4



-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5074-111524

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