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	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
Real Estate [Member] \| Construction, Land Development and Other Land Loans [Member] \| FUSB [Member]
Total loans	$ 24,306		$ 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	24,306		11,827
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member] \| FUSB [Member]
Total loans	33,326		30,730
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member] \| ALC [Member]
Total loans	15,430	$ 15,430	17,233
Real Estate [Member] \| Secured by 1-4 Family Residential Properties [Member]
Total loans	48,756		47,963
Real Estate [Member] \| Secured by Multi-family Residential Properties [Member] \| FUSB [Member]
Total loans	5,972		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	5,972		11,845
Real Estate [Member] \| Secured by Non-farm, Non-residential Properties [Member] \| FUSB [Member]
Total loans	105,541		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	105,541		83,883
Real Estate [Member] \| Other Real Estate Loans [Member] \| FUSB [Member]
Total loans	190		115
Real Estate [Member] \| Other Real Estate Loans [Member] \| ALC [Member]
Total loans
Real Estate [Member] \| Other Real Estate Loans [Member]
Total loans	190		115
Commercial and Industrial Loans [Member] \| FUSB [Member]
Total loans	38,160		29,377
Commercial and Industrial Loans [Member] \| ALC [Member]
Total loans
Commercial and Industrial Loans [Member]
Total loans	38,160		29,377
Consumer Portfolio Segment [Member] \| FUSB [Member]
Total loans	6,366		7,057
Allowance for loan losses	17		28		$ 114
Consumer Portfolio Segment [Member] \| ALC [Member]
Total loans	80,886	80,886	76,131
Allowance for loan losses	2,271		2,202		2,336
Consumer Portfolio Segment [Member]
Total loans	87,252		83,188
Other Loans [Member] \| FUSB [Member]
Total loans	364		379
Allowance for loan losses	6		14
Other Loans [Member] \| ALC [Member]
Total loans
Allowance for loan losses
Other Loans [Member]
Total loans	364		379
FUSB [Member]
Total loans	214,225		175,213
Less: Unearned interest, fees and deferred cost	192		149
Allowance for loan losses	1,138		1,329		3,486
Net loans	212,895		173,735
ALC [Member]
Total loans	96,316	$ 96,316	93,364
Less: Unearned interest, fees and deferred cost	7,857		9,215
Allowance for loan losses	2,453		2,452		$ 2,682
Net loans	86,006		81,697
Total loans	310,541		268,577
Less: Unearned interest, fees and deferred cost	8,049		9,364
Allowance for loan losses	3,591		3,781
Net loans	$ 298,901		$ 255,432	$ 244,993