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Note 7 - Loans and Related Allowance for Loan and Lease Losses (Details) - Primary Segments of the Loan Portfolio (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Loans:
Individually evaluated for impairment	$ 16,892	$ 18,965
Collectively evaluated for impairment	426,837	416,760
Total loans	443,729	435,725
Commercial and Industrial [Member]
Loans:
Individually evaluated for impairment	2,929	1,891
Collectively evaluated for impairment	53,926	52,607
Total loans	56,855	54,498
Real Estate Construction [Member]
Loans:
Individually evaluated for impairment	3,695	4,011
Collectively evaluated for impairment	21,546	21,590
Total loans	25,241	25,601
Residential Real Estate Mortgage [Member]
Loans:
Individually evaluated for impairment	5,097	5,882
Collectively evaluated for impairment	210,712	204,428
Total loans	215,809	210,310
Commercial Real Estate Mortgage [Member]
Loans:
Individually evaluated for impairment	5,153	7,175
Collectively evaluated for impairment	135,390	133,996
Total loans	140,543	141,171
Consumer Installment [Member]
Loans:
Individually evaluated for impairment	18	6
Collectively evaluated for impairment	5,263	4,139
Total loans	$ 5,281	$ 4,145

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (h)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (h)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524

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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 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524



Reference 2: 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

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