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	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Less: Unearned interest, fees and deferred cost	$ 6,226	$ 7,153
Allowance for loan losses	4,905	4,856
Net loans	330,526	322,772	$ 298,901
Total loans	341,657	334,781
FUSB [Member]
Less: Unearned interest, fees and deferred cost	371	218
Allowance for loan losses	2,526	2,409		$ 1,329
Net loans	242,477	237,242
Total loans	245,374	239,869
ALC [Member]
Less: Unearned interest, fees and deferred cost	5,855	6,935
Allowance for loan losses	2,379	2,447		2,452
Net loans	88,049	85,530
Total loans	96,283	94,912
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member]
Total loans	12,424	23,772
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member] \| FUSB [Member]
Allowance for loan losses	477	535		110
Total loans	12,424	23,772
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member] \| ALC [Member]
Allowance for loan losses
Total loans
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member]
Total loans	44,456	46,679
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member] \| FUSB [Member]
Allowance for loan losses	242	304		138
Total loans	32,227	32,955
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member] \| ALC [Member]
Allowance for loan losses	48	107		250
Total loans	12,229	13,724
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member]
Total loans	16,702	16,627
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member] \| FUSB [Member]
Allowance for loan losses	117	88		29
Total loans	16,702	16,627
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member] \| ALC [Member]
Allowance for loan losses
Total loans
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member]
Total loans	113,037	102,112
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member] \| FUSB [Member]
Allowance for loan losses	889	903		351
Total loans	113,037	102,112
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member] \| ALC [Member]
Allowance for loan losses
Total loans
Real Estate [Member] \| Other Real Estate Loans [Member]
Total loans	226	234
Real Estate [Member] \| Other Real Estate Loans [Member] \| FUSB [Member]
Allowance for loan losses	2	2		1
Total loans	226	234
Real Estate [Member] \| Other Real Estate Loans [Member] \| ALC [Member]
Allowance for loan losses
Total loans
Commercial and Industrial Loans [Member]
Total loans	65,087	57,963
Commercial and Industrial Loans [Member] \| FUSB [Member]
Allowance for loan losses	730	527		659
Total loans	65,087	57,963
Commercial and Industrial Loans [Member] \| ALC [Member]
Allowance for loan losses
Total loans
Consumer Portfolio Segment [Member] \| FUSB [Member]
Total loans	5,671	6,206
Consumer Portfolio Segment [Member] \| Consumer Loans [Member]
Total loans	37,591	42,619
Consumer Portfolio Segment [Member] \| Consumer Loans [Member] \| FUSB [Member]
Allowance for loan losses	69	50		41
Total loans	5,671	6,206
Consumer Portfolio Segment [Member] \| Consumer Loans [Member] \| ALC [Member]
Allowance for loan losses	1,690	1,717		1,584
Total loans	31,920	36,413
Consumer Portfolio Segment [Member] \| Indirect Sales [Member]
Total loans	52,134	44,775
Consumer Portfolio Segment [Member] \| Indirect Sales [Member] \| FUSB [Member]
Allowance for loan losses
Total loans
Consumer Portfolio Segment [Member] \| Indirect Sales [Member] \| ALC [Member]
Allowance for loan losses	641	623		$ 618
Total loans	$ 52,134	$ 44,775