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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Note 4 - Loans and Allowance for Loan Losses - Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Total loans	$ 349,182	$ 334,781
Less: Unearned interest, fees and deferred cost	6,348	7,153
Loans, allowance for loan losses	4,808	4,856
Net loans	338,026	322,772	$ 317,121
FUSB [Member]
Total loans	251,489	239,869
Less: Unearned interest, fees and deferred cost	367	218
Loans, allowance for loan losses	2,422	2,409		$ 1,329
Net loans	248,700	237,242
ALC [Member]
Total loans	97,693	94,912
Less: Unearned interest, fees and deferred cost	5,981	6,935
Loans, allowance for loan losses	2,386	2,447		2,452
Net loans	89,326	85,530
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member]
Total loans	20,213	23,772
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member] \| FUSB [Member]
Total loans	20,213	23,772
Loans, allowance for loan losses	207	535		110
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member] \| ALC [Member]
Total loans
Loans, allowance for loan losses
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member]
Total loans	46,615	46,679
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member] \| FUSB [Member]
Total loans	35,125	32,955
Loans, allowance for loan losses	248	304		138
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member] \| ALC [Member]
Total loans	11,490	13,724
Loans, allowance for loan losses	103	107		250
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member]
Total loans	16,498	16,627
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member] \| FUSB [Member]
Total loans	16,498	16,627
Loans, allowance for loan losses	115	88		29
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member] \| ALC [Member]
Total loans
Loans, allowance for loan losses
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member]
Total loans	107,679	102,112
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member] \| FUSB [Member]
Total loans	107,679	102,112
Loans, allowance for loan losses	830	903		351
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member] \| ALC [Member]
Total loans
Loans, allowance for loan losses
Real Estate [Member] \| Other Real Estate Loans [Member]
Total loans	223	234
Real Estate [Member] \| Other Real Estate Loans [Member] \| FUSB [Member]
Total loans	223	234
Loans, allowance for loan losses	2	2		1
Real Estate [Member] \| Other Real Estate Loans [Member] \| ALC [Member]
Total loans
Loans, allowance for loan losses
Commercial and Industrial Loans [Member]
Total loans	66,320	57,963
Commercial and Industrial Loans [Member] \| FUSB [Member]
Total loans	66,320	57,963
Loans, allowance for loan losses	967	527		659
Commercial and Industrial Loans [Member] \| ALC [Member]
Total loans
Loans, allowance for loan losses
Consumer Portfolio Segment [Member] \| FUSB [Member]
Total loans	5,431	6,206
Consumer Portfolio Segment [Member] \| Consumer Loans [Member]
Total loans	41,081	42,619
Consumer Portfolio Segment [Member] \| Consumer Loans [Member] \| FUSB [Member]
Total loans	5,431	6,206
Loans, allowance for loan losses	53	50		41
Consumer Portfolio Segment [Member] \| Consumer Loans [Member] \| ALC [Member]
Total loans	35,650	36,413
Loans, allowance for loan losses	1,565	1,717		1,584
Consumer Portfolio Segment [Member] \| Indirect Sales [Member]
Total loans	50,553	44,775
Consumer Portfolio Segment [Member] \| Indirect Sales [Member] \| FUSB [Member]
Total loans
Loans, allowance for loan losses
Consumer Portfolio Segment [Member] \| Indirect Sales [Member] \| ALC [Member]
Total loans	50,553	44,775
Loans, allowance for loan losses	$ 718	$ 623		$ 618