Note 3 - Loans Receivable (Details) - Classifications of Loans Receivable - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Construction:
Loans	$ 367,358	$ 331,679
Less allowance for loan losses	(3,298)	(3,332)	$ (3,721)
Loans, net	364,060	328,347
Construction Loan Portfolio Segment [Member] \| Residential [Member]
Construction:
Loans	11,779	10,019
Less allowance for loan losses	(83)	(43)	(156)
Construction Loan Portfolio Segment [Member] \| Land Acquisition, Development and Commercial [Member]
Construction:
Loans	27,440	23,686
Less allowance for loan losses	(187)	(453)	(872)
Real Estate Portfolio Segment [Member] \| Residential [Member]
Construction:
Loans	100,268	86,269
Less allowance for loan losses	(1,047)	(833)	(867)
Real Estate Portfolio Segment [Member] \| Commercial [Member}
Construction:
Loans	140,952	135,070
Less allowance for loan losses	(1,001)	(1,012)	(1,008)
Commercial, Industrial and Agricultural Portfolio Segment [Member]
Construction:
Loans	53,012	44,807
Less allowance for loan losses	(531)	(319)	(327)
Equity Lines Portfolio Segment [Member]
Construction:
Loans	26,376	24,330
Less allowance for loan losses	(277)	(423)	(385)
Consumer Portfolio Segment [Member]
Construction:
Loans	7,531	7,498
Less allowance for loan losses	$ (85)	$ (65)	$ (63)

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance 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 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section L
-Subsection 1

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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

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- Definition

Amount after allowance and 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 and loans held for sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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