Note 5 - Loans and Allowance for Loan Losses - Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Loans	$ 402,740	$ 366,924
Less undisbursed portion of loans in process	(19,037)	(4,926)
Principal loan balance	383,703	361,998
Deferred loan origination fees, net	837	583
Allowance for loan losses	(3,386)	(3,415)	$ (4,846)
Loans, net	381,154	359,166
Real Estate Mortgage Portfolio Segment [Member] \| Residential Loan [Member]
Loans	137,842	147,933
Allowance for loan losses	(380)	(527)	(609)
Real Estate Mortgage Portfolio Segment [Member] \| Land Loan [Member]
Loans	13,895	12,962
Principal loan balance	13,895	12,962
Deferred loan origination fees, net	14	6
Allowance for loan losses	(56)	(157)	(201)
Real Estate Mortgage Portfolio Segment [Member] \| Construction Loans [Member]
Loans	29,561	16,391
Principal loan balance	19,445	12,555
Deferred loan origination fees, net	0	0
Allowance for loan losses	(80)	(47)	(60)
Real Estate Mortgage Portfolio Segment [Member] \| Commercial Real Estate Loan [Member]
Loans	96,462	84,493
Principal loan balance	96,462	84,493
Deferred loan origination fees, net	(42)	(46)
Allowance for loan losses	(1,670)	(1,541)	(1,501)
Real Estate Mortgage Portfolio Segment [Member] \| Commercial Real Estate Construction [Member]
Loans	8,921	1,090
Commercial Portfolio Segment [Member]
Loans	24,056	23,095
Principal loan balance	24,056	23,095
Deferred loan origination fees, net	3	(6)
Allowance for loan losses	(198)	(261)	(1,480)
Consumer Portfolio Segment [Member] \| Home Equity and Second Mortgage [Member]
Loans	42,908	38,476
Principal loan balance	42,908	38,476
Deferred loan origination fees, net	782	571
Allowance for loan losses	(683)	(626)	(720)
Consumer Portfolio Segment [Member] \| Automobile Loan [Member]
Loans	34,279	28,828
Consumer Portfolio Segment [Member] \| Loans Secured by Saving Accounts [Member]
Loans	1,879	2,096
Consumer Portfolio Segment [Member] \| Unsecured Loan [Member]
Loans	3,912	4,350
Consumer Portfolio Segment [Member] \| Other Consumer Loan [Member]
Loans	9,025	7,210
Principal loan balance	49,095	42,484
Deferred loan origination fees, net	0	0
Allowance for loan losses	$ (319)	$ (256)	$ (275)

Represents the loans and leases receivable principal balance.

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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ 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 (c)(1)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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Amount of undisbursed portion of the loan receivable balance (loans in process). Excludes loans and leases covered under loss sharing agreements.

+ References

No definition available.

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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 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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- 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
-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 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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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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