Note 4 - Loans and Allowance for Loan Losses (Details) - Loans and Allowances for Loan Losses (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal loan balance	$ 304,943	$ 293,087
Accrued interest receivable	1,036	1,050
Net deferred loan origination fees and costs	506	341
Recorded investment in loans	306,485	294,478
Residential Mortgage Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal loan balance	106,679	107,029
Accrued interest receivable	368	427
Net deferred loan origination fees and costs	49	52
Recorded investment in loans	107,096	107,508
Land Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal loan balance	11,028	10,309
Accrued interest receivable	48	49
Net deferred loan origination fees and costs	4	2
Recorded investment in loans	11,080	10,360
Residential Construction Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal loan balance	8,444	8,996
Accrued interest receivable	20	22
Net deferred loan origination fees and costs	(1)	0
Recorded investment in loans	8,463	9,018
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal loan balance	78,314	76,496
Accrued interest receivable	186	202
Net deferred loan origination fees and costs	(20)	(32)
Recorded investment in loans	78,480	76,666
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal loan balance	28,282	21,956
Accrued interest receivable	131	56
Net deferred loan origination fees and costs	(7)	(9)
Recorded investment in loans	28,406	22,003
Home Equity And Second Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal loan balance	37,513	34,815
Accrued interest receivable	131	126
Net deferred loan origination fees and costs	481	328
Recorded investment in loans	38,125	35,269
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal loan balance	34,683	33,486
Accrued interest receivable	152	168
Net deferred loan origination fees and costs	0	0
Recorded investment in loans	$ 34,835	$ 33,654

Represents loans and leases receivable accrued interest.

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- Definition

Represents the loans and leases receivable principal balance.

+ References

No definition available.

+ Details

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. 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

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- Definition

Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for 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 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533

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