Note 4 - Allowance for Loan Losses (Details) - Allowance for Loan Losses - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Construction loans:
Allowance for loan losses, beginning balance	$ 3,332	$ 3,721	$ 3,721
Allowance for loan losses, charge-offs	(60)		(464)
Allowance for loan losses, recoveries	41		75
Allowance for loan losses, provisions		202
Allowance for loan losses, ending balance	3,313		3,332
Allowance for loan losses, ending balance: individually evaluated for impairment	132		141
Allowance for loan losses, ending balance: collectively evaluated for impairment	3,181		3,191
Loans	360,160		331,679
Loans,ending balance: individually evaluated for impairment	7,977		8,173
Loans, ending balance: collectively evaluated for impairment	352,183		323,506
Construction Loan Portfolio Segment [Member] \| Residential [Member]
Construction loans:
Allowance for loan losses, beginning balance	43	156	156
Allowance for loan losses, provisions	56		(113)
Allowance for loan losses, ending balance	99		43
Allowance for loan losses, ending balance: collectively evaluated for impairment	99		43
Loans	12,398		10,019
Loans, ending balance: collectively evaluated for impairment	12,398		10,019
Construction Loan Portfolio Segment [Member] \| Land Acquisition, Development and Commercial [Member]
Construction loans:
Allowance for loan losses, beginning balance	453	872	872
Allowance for loan losses, provisions	(262)		(419)
Allowance for loan losses, ending balance	191		453
Allowance for loan losses, ending balance: collectively evaluated for impairment	191		453
Loans	27,566		23,686
Loans, ending balance: collectively evaluated for impairment	27,566		23,686
Real Estate Portfolio Segment [Member] \| Residential [Member]
Construction loans:
Allowance for loan losses, beginning balance	833	867	867
Allowance for loan losses, charge-offs			(233)
Allowance for loan losses, recoveries	1		34
Allowance for loan losses, provisions	183		165
Allowance for loan losses, ending balance	1,017		833
Allowance for loan losses, ending balance: collectively evaluated for impairment	1,017		833
Loans	97,803		86,269
Loans,ending balance: individually evaluated for impairment	249		525
Loans, ending balance: collectively evaluated for impairment	97,554		85,744
Real Estate Portfolio Segment [Member] \| Commercial [Member}
Construction loans:
Allowance for loan losses, beginning balance	1,012	1,008	1,008
Allowance for loan losses, provisions	73		4
Allowance for loan losses, ending balance	1,085		1,012
Allowance for loan losses, ending balance: individually evaluated for impairment	132		141
Allowance for loan losses, ending balance: collectively evaluated for impairment	953		871
Loans	139,751		135,070
Loans,ending balance: individually evaluated for impairment	7,716		7,648
Loans, ending balance: collectively evaluated for impairment	132,035		127,422
Commercial, Industrial and Agricultural Portfolio Segment [Member]
Construction loans:
Allowance for loan losses, beginning balance	319	327	327
Allowance for loan losses, charge-offs			(55)
Allowance for loan losses, recoveries	10
Allowance for loan losses, provisions	115		47
Allowance for loan losses, ending balance	444		319
Allowance for loan losses, ending balance: collectively evaluated for impairment	444		319
Loans	49,649		44,807
Loans,ending balance: individually evaluated for impairment	12
Loans, ending balance: collectively evaluated for impairment	49,637		44,807
Equity Lines Portfolio Segment [Member]
Construction loans:
Allowance for loan losses, beginning balance	423	385	385
Allowance for loan losses, charge-offs			(136)
Allowance for loan losses, recoveries			37
Allowance for loan losses, provisions	(122)		137
Allowance for loan losses, ending balance	301		423
Allowance for loan losses, ending balance: collectively evaluated for impairment	301		423
Loans	25,308		24,330
Loans, ending balance: collectively evaluated for impairment	25,308		24,330
Consumer Portfolio Segment [Member]
Construction loans:
Allowance for loan losses, beginning balance	65	63	63
Allowance for loan losses, charge-offs	(60)		(40)
Allowance for loan losses, recoveries	30		4
Allowance for loan losses, provisions	44		38
Allowance for loan losses, ending balance	79		65
Allowance for loan losses, ending balance: collectively evaluated for impairment	79		65
Loans	7,685		7,498
Loans, ending balance: collectively evaluated for impairment	7,685		7,498
Unallocated Financing Receivables [Member]
Construction loans:
Allowance for loan losses, beginning balance	184	$ 43	43
Allowance for loan losses, provisions	(87)		141
Allowance for loan losses, ending balance	97		184
Allowance for loan losses, ending balance: collectively evaluated for impairment	$ 97		$ 184

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Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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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.

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-Publisher SEC

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-Number Topic 6

-Section L

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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.

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Amount of expense related to estimated loss from loan and lease transactions.

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