Note 6 - Loans Held for Investment (Details) - Past Due Loans (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-59 days past due	$ 2,777	$ 3,580
Loans 60-89 days past due	347	1,061
Loans over 90 days past due	2,280	2,561
Loans past due	5,404	7,202
Loans current	484,037	474,070
Loans	489,441	481,272
Loans over 90 days and accruing		389
Residential Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-59 days past due	1,571	1,553
Loans 60-89 days past due	113	361
Loans over 90 days past due	604	944
Loans past due	2,288	2,858
Loans current	62,686	61,789
Loans	64,974	64,647
Loans over 90 days and accruing		389
Residential Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans current	1,631	1,382
Loans	1,631	1,382
Residential Lots and Raw Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-59 days past due	2
Loans 60-89 days past due		2
Loans over 90 days past due	9	9
Loans past due	11	11
Loans current	797	817
Loans	808	828
Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-59 days past due	797	1,099
Loans 60-89 days past due		444
Loans over 90 days past due	1,155	1,182
Loans past due	1,952	2,725
Loans current	259,969	253,075
Loans	261,921	255,800
Commercial Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans current	28,386	27,646
Loans	28,386	27,646
Commercial Lots and Raw Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-59 days past due		307
Loans 60-89 days past due		39
Loans over 90 days past due	39	32
Loans past due	39	378
Loans current	26,581	27,124
Loans	26,620	27,502
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-59 days past due		63
Loans past due		63
Loans current	29,819	28,316
Loans	29,819	28,379
Finance Leases Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans over 90 days past due	146	69
Loans past due	146	69
Loans current	12,491	12,323
Loans	12,637	12,392
Consumer Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-59 days past due	352	501
Loans 60-89 days past due	186	164
Loans over 90 days past due	180	149
Loans past due	718	814
Loans current	17,387	18,049
Loans	18,105	18,863
Consumer Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans current	1,583	1,412
Loans	1,583	1,412
Consumer Lots and Raw Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-59 days past due	13
Loans 60-89 days past due		21
Loans over 90 days past due	76	124
Loans past due	89	145
Loans current	10,345	10,285
Loans	10,434	10,430
Home Equity Lines of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-59 days past due	34	45
Loans 60-89 days past due	48	30
Loans over 90 days past due	65	46
Loans past due	147	121
Loans current	26,995	27,938
Loans	27,142	28,059
Consumer Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-59 days past due	8	12
Loans over 90 days past due	6	6
Loans past due	14	18
Loans current	5,367	3,914
Loans	$ 5,381	$ 3,932

Financing receivables that are less than 60 days past due but more than 29 days past due.

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-Publisher FASB

-Name Accounting Standards Codification

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Reflects the aggregate gross carrying amount of all loans and leases held in portfolio, not otherwise categorized (such as commercial, consumer, or foreign), prior to deducting deferred income and the allowance for losses on loans and leases, not otherwise categorized (such as commercial, consumer, or foreign).

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