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 By Reporting Segment and Portfolio Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Total loans	$ 328,767	$ 334,781
Less: Unearned interest, fees and deferred cost	6,211	7,153
Allowance for loan losses	4,879	4,856
Net loans	317,677	322,772	$ 263,975
FUSB [Member]
Total loans	235,686	239,869
Less: Unearned interest, fees and deferred cost	249	218
Allowance for loan losses	2,521	2,409		$ 1,329
Net loans	232,916	237,242
ALC [Member]
Total loans	93,081	94,912
Less: Unearned interest, fees and deferred cost	5,962	6,935
Allowance for loan losses	2,358	2,447		2,452
Net loans	84,761	85,530
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member]
Total loans	25,853	23,772
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member] \| FUSB [Member]
Total loans	25,853	23,772
Allowance for loan losses	606	535		110
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member] \| ALC [Member]
Total loans
Allowance for loan losses
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member]
Total loans	45,528	46,679
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member] \| FUSB [Member]
Total loans	32,535	32,955
Allowance for loan losses	283	304		138
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member] \| ALC [Member]
Total loans	12,993	13,724
Allowance for loan losses	76	107		250
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member]
Total loans	16,464	16,627
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member] \| FUSB [Member]
Total loans	16,464	16,627
Allowance for loan losses	115	88		29
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member] \| ALC [Member]
Total loans
Allowance for loan losses
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member]
Total loans	97,294	102,112
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member] \| FUSB [Member]
Total loans	97,294	102,112
Allowance for loan losses	783	903		351
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member] \| ALC [Member]
Total loans
Allowance for loan losses
Real Estate [Member] \| Other Real Estate Loans [Member]
Total loans	230	234
Real Estate [Member] \| Other Real Estate Loans [Member] \| FUSB [Member]
Total loans	230	234
Allowance for loan losses	2	2		1
Real Estate [Member] \| Other Real Estate Loans [Member] \| ALC [Member]
Total loans
Allowance for loan losses
Commercial and Industrial Loans [Member]
Total loans	57,253	57,963
Commercial and Industrial Loans [Member] \| FUSB [Member]
Total loans	57,253	57,963
Allowance for loan losses	688	527		659
Commercial and Industrial Loans [Member] \| ALC [Member]
Total loans
Allowance for loan losses
Consumer Portfolio Segment [Member] \| FUSB [Member]
Total loans	6,057	6,206
Consumer Portfolio Segment [Member] \| Consumer Loans[Member]
Total loans	38,949	42,619
Consumer Portfolio Segment [Member] \| Consumer Loans[Member] \| FUSB [Member]
Total loans	6,057	6,206
Allowance for loan losses	44	50		41
Consumer Portfolio Segment [Member] \| Consumer Loans[Member] \| ALC [Member]
Total loans	32,892	36,413
Allowance for loan losses	1,666	1,717		1,584
Consumer Portfolio Segment [Member] \| Indirect Sales [Member]
Total loans	47,196	44,775
Consumer Portfolio Segment [Member] \| Indirect Sales [Member] \| FUSB [Member]
Total loans
Allowance for loan losses
Consumer Portfolio Segment [Member] \| Indirect Sales [Member] \| ALC [Member]
Total loans	47,196	44,775
Allowance for loan losses	$ 616	$ 623		$ 618