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 6 - Loans and Allowance for Loan Losses - Loan Portfolio By Reporting Segment and Portfolio Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member] \| FUSB [Member]
Total loans	$ 24,610	$ 11,827
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member] \| ALC [Member]
Total loans
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member]
Total loans	24,610	11,827
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member] \| FUSB [Member]
Total loans	32,559	30,730
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member] \| ALC [Member]
Total loans	14,462	17,233
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member]
Total loans	47,021	47,963
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member] \| FUSB [Member]
Total loans	16,801	11,845
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member] \| ALC [Member]
Total loans
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member]
Total loans	16,801	11,845
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member] \| FUSB [Member]
Total loans	97,859	83,883
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member] \| ALC [Member]
Total loans
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member]
Total loans	97,859	83,883
Real Estate [Member] \| Other Real Estate Loans [Member] \| FUSB [Member]
Total loans	185	115
Real Estate [Member] \| Other Real Estate Loans [Member] \| ALC [Member]
Total loans
Real Estate [Member] \| Other Real Estate Loans [Member]
Total loans	185	115
Commercial and Industrial Loans [Member] \| FUSB [Member]
Total loans	54,459	29,377
Commercial and Industrial Loans [Member] \| ALC [Member]
Total loans
Commercial and Industrial Loans [Member]
Total loans	54,459	29,377
Consumer Portfolio Segment [Member] \| FUSB [Member]
Total loans	6,289	7,057
Allowance for loan losses	11	27		$ 114
Consumer Portfolio Segment [Member] \| ALC [Member]
Total loans	80,915	76,131
Allowance for loan losses	2,291	2,201		2,336
Consumer Portfolio Segment [Member]
Total loans	87,204	83,188
Other Loans [Member] \| FUSB [Member]
Total loans	46	379
Allowance for loan losses	35	14
Other Loans [Member] \| ALC [Member]
Total loans
Allowance for loan losses
Other Loans [Member]
Total loans	46	379
FUSB [Member]
Total loans	232,808	175,213
Less: Unearned interest, fees and deferred cost	191	149
Allowance for loan losses	1,216	1,329		3,486
Net loans	231,401	173,735
ALC [Member]
Total loans	95,377	93,364
Less: Unearned interest, fees and deferred cost	7,205	9,215
Allowance for loan losses	2,452	2,452		$ 2,682
Net loans	85,720	81,697
Total loans	328,185	268,577
Less: Unearned interest, fees and deferred cost	7,396	9,364
Allowance for loan losses	3,668	3,781
Net loans	$ 317,121	$ 255,432	$ 237,715