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Note 7 - Classes of the Loan Portfolio Summarized by Credit Quality (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Pass [Member] | Commercial And Industrial [Member]
Loans, total	$ 58,864	$ 40,560
Pass [Member] | Real Estate Construction Porfolio Segment [Member]
Loans, total	16,005	22,007
Pass [Member] | Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans, total	245,314	225,945
Pass [Member] | Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, total	237,301	219,331
Pass [Member] | Consumer Portfolio Segment [Member]
Loans, total	4,495	4,854
Pass [Member]
Loans, total	561,979	512,697
Special Mention [Member] | Commercial And Industrial [Member]
Loans, total	475	242
Special Mention [Member] | Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans, total	515	728
Special Mention [Member] | Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, total	3,848	4,327
Special Mention [Member]
Loans, total	4,838	5,297
Substandard [Member] | Commercial And Industrial [Member]
Loans, total	1,112	1,734
Substandard [Member] | Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans, total	5,724	5,805
Substandard [Member] | Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, total	6,027	8,043
Substandard [Member] | Consumer Portfolio Segment [Member]
Loans, total	2	4
Substandard [Member]
Loans, total	12,865	15,586
Doubtful [Member] | Real Estate Construction Porfolio Segment [Member]
Loans, total	34	130
Doubtful [Member]
Loans, total	34	130
Commercial And Industrial [Member]
Loans, total	60,451	42,536
Real Estate Construction Porfolio Segment [Member]
Loans, total	16,039	22,137
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans, total	251,553	232,478
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, total	247,176	231,701
Consumer Portfolio Segment [Member]
Loans, total	4,497	4,858
Loans, total	$ 579,716	$ 533,710

X

- 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=65884687&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=66008989&loc=d3e5074-111524

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