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, 2015	Dec. 31, 2014
Loans:
Individually evaluated for impairment	$ 12,057	$ 14,368
Collectively evaluated for impairment	463,761	456,216
Total loans	475,818	470,584
Commercial and Industrial [Member]
Loans:
Individually evaluated for impairment	1,061	1,393
Collectively evaluated for impairment	47,855	59,351
Total loans	48,916	60,744
Real Estate Construction [Member]
Loans:
Individually evaluated for impairment	2,467	3,296
Collectively evaluated for impairment	22,296	27,000
Total loans	24,763	30,296
Residential Real Estate Mortgage [Member]
Loans:
Individually evaluated for impairment	4,482	5,183
Collectively evaluated for impairment	227,354	222,369
Total loans	231,836	227,552
Commercial Real Estate Mortgage [Member]
Loans:
Individually evaluated for impairment	4,041	4,490
Collectively evaluated for impairment	161,639	142,923
Total loans	165,680	147,413
Consumer Installment [Member]
Loans:
Individually evaluated for impairment	6	6
Collectively evaluated for impairment	4,617	4,573
Total loans	$ 4,623	$ 4,579

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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=35738203&loc=SL6953423-111524

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- Definition

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

+ References

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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=35738203&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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