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Note 5 - Loans and Allowance for Loan Losses - Loans By Credit Quality Indicator (Details) - USD ($) $ in Thousands		Mar. 31, 2019	Dec. 31, 2018
Loans		$ 513,133	$ 525,870
FUSB [Member]
Loans		406,921	417,496
FUSB [Member] | Pass [Member]
Loans		399,070	408,188
FUSB [Member] | Special Mention [Member]
Loans		4,394	5,041
FUSB [Member] | Substandard [Member]
Loans		3,457	4,267
FUSB [Member] | Doubtful [Member]
Loans		406,921	417,496
ALC [Member]
Loans		106,212	108,374
ALC [Member] | Performing Financial Instruments [Member]
Loans		105,097	107,145
ALC [Member] | Nonperforming Financial Instruments [Member]
Loans		1,115	1,229
Commercial and Industrial Loans [Member]
Loans	[1]	87,865	85,779
Commercial and Industrial Loans [Member] | FUSB [Member]
Loans	[1]	87,865	85,779
Commercial and Industrial Loans [Member] | FUSB [Member] | Pass [Member]
Loans		85,766	83,261
Commercial and Industrial Loans [Member] | FUSB [Member] | Special Mention [Member]
Loans		1,947	1,977
Commercial and Industrial Loans [Member] | FUSB [Member] | Substandard [Member]
Loans		152	541
Commercial and Industrial Loans [Member] | FUSB [Member] | Doubtful [Member]
Loans		87,865	85,779
Commercial and Industrial Loans [Member] | ALC [Member]
Loans	[1]
Consumer Portfolio Segment [Member] | FUSB [Member]
Loans		6,484	6,927
Consumer Portfolio Segment [Member] | FUSB [Member] | Pass [Member]
Loans		6,416	6,848
Consumer Portfolio Segment [Member] | FUSB [Member] | Special Mention [Member]
Loans
Consumer Portfolio Segment [Member] | FUSB [Member] | Substandard [Member]
Loans		68	79
Consumer Portfolio Segment [Member] | FUSB [Member] | Doubtful [Member]
Loans		6,484	6,927
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member]
Loans		27,065	41,340
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | FUSB [Member]
Loans		27,065	41,340
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | FUSB [Member] | Pass [Member]
Loans		26,506	40,200
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | FUSB [Member] | Special Mention [Member]
Loans		336	914
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | FUSB [Member] | Substandard [Member]
Loans		223	226
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | FUSB [Member] | Doubtful [Member]
Loans		27,065	41,340
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | ALC [Member]
Loans
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member]
Loans		106,991	110,756
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | FUSB [Member]
Loans		99,933	102,971
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Pass [Member]
Loans		97,820	100,485
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Special Mention [Member]
Loans		154	154
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Substandard [Member]
Loans		1,959	2,332
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Doubtful [Member]
Loans		99,933	102,971
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | ALC [Member]
Loans		7,058	7,785
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | ALC [Member] | Performing Financial Instruments [Member]
Loans		6,954	7,657
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | ALC [Member] | Nonperforming Financial Instruments [Member]
Loans		104	128
Secured by Multi-family Residential Properties [Member] | Real Estate [Member]
Loans		27,602	23,009
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | FUSB [Member]
Loans		27,602	23,009
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Pass [Member]
Loans		27,602	23,009
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Special Mention [Member]
Loans
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Substandard [Member]
Loans
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Doubtful [Member]
Loans		27,602	23,009
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | ALC [Member]
Loans
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member]
Loans		157,023	156,162
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | FUSB [Member]
Loans		157,023	156,162
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Pass [Member]
Loans		154,011	153,077
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Special Mention [Member]
Loans		1,957	1,996
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Substandard [Member]
Loans		1,055	1,089
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Doubtful [Member]
Loans		157,023	156,162
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | ALC [Member]
Loans
Other Real Estate Loans [Member] | Real Estate [Member]
Loans		949	1,308
Other Real Estate Loans [Member] | Real Estate [Member] | FUSB [Member]
Loans		949	1,308
Other Real Estate Loans [Member] | Real Estate [Member] | FUSB [Member] | Pass [Member]
Loans		949	1,308
Other Real Estate Loans [Member] | Real Estate [Member] | FUSB [Member] | Special Mention [Member]
Loans
Other Real Estate Loans [Member] | Real Estate [Member] | FUSB [Member] | Substandard [Member]
Loans
Other Real Estate Loans [Member] | Real Estate [Member] | FUSB [Member] | Doubtful [Member]
Loans		949	1,308
Other Real Estate Loans [Member] | Real Estate [Member] | ALC [Member]
Loans
Consumer Loans [Member] | Consumer Portfolio Segment [Member]
Loans		36,292	38,583
Consumer Loans [Member] | Consumer Portfolio Segment [Member] | FUSB [Member]
Loans		6,484	6,927
Consumer Loans [Member] | Consumer Portfolio Segment [Member] | ALC [Member]
Loans		29,808	31,656
Consumer Loans [Member] | Consumer Portfolio Segment [Member] | ALC [Member] | Performing Financial Instruments [Member]
Loans		29,114	30,826
Consumer Loans [Member] | Consumer Portfolio Segment [Member] | ALC [Member] | Nonperforming Financial Instruments [Member]
Loans		694	830
Branch Retail [Member] | Consumer Portfolio Segment [Member]
Loans		27,066	28,324
Branch Retail [Member] | Consumer Portfolio Segment [Member] | FUSB [Member]
Loans
Branch Retail [Member] | Consumer Portfolio Segment [Member] | ALC [Member]
Loans		27,066	28,324
Branch Retail [Member] | Consumer Portfolio Segment [Member] | ALC [Member] | Performing Financial Instruments [Member]
Loans		26,939	28,171
Branch Retail [Member] | Consumer Portfolio Segment [Member] | ALC [Member] | Nonperforming Financial Instruments [Member]
Loans		127	153
Indirect Sales [Member] | Consumer Portfolio Segment [Member]
Loans		42,280	40,609
Indirect Sales [Member] | Consumer Portfolio Segment [Member] | FUSB [Member]
Loans
Indirect Sales [Member] | Consumer Portfolio Segment [Member] | ALC [Member]
Loans		42,280	40,609
Indirect Sales [Member] | Consumer Portfolio Segment [Member] | ALC [Member] | Performing Financial Instruments [Member]
Loans		42,090	40,491
Indirect Sales [Member] | Consumer Portfolio Segment [Member] | ALC [Member] | Nonperforming Financial Instruments [Member]
Loans		$ 190	$ 118
[1] Includes equipment financing leases.

X

- 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

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