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Note 4 - Loans and Allowance for Loan Losses - Aging Analysis of Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Total loans	$ 367,115	$ 357,458
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]
Total loans	22,878	26,143
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member]
Total loans	48,144	45,073
Real Estate [Member] | Secured by Multi-family Residential Properties [Member]
Total loans	18,374	16,579
Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member]
Total loans	112,461	105,133
Real Estate [Member] | Other Real Estate Loans [Member]
Total loans	187	190
Commercial and Industrial Loans [Member]
Total loans	59,320	69,969
Consumer Portfolio Segment [Member] | Consumer Loans [Member]
Total loans	38,322	39,300
Consumer Portfolio Segment [Member] | Indirect Sales [Member]
Total loans	67,429	55,071
FUSB [Member]
Total past due	1,203	404
Current	256,405	257,099
Total loans	257,608	257,503
Accruing loans past due 90 days or more amounted
FUSB [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total past due	937	352
FUSB [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total past due	82	52
FUSB [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total past due	184
FUSB [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]
Total past due
Current	22,878	26,143
Total loans	22,878	26,143
Accruing loans past due 90 days or more amounted
FUSB [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total past due
FUSB [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total past due
FUSB [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member]
Total past due	364	279
Current	38,604	33,993
Total loans	38,968	34,272
Accruing loans past due 90 days or more amounted
FUSB [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total past due	246	227
FUSB [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total past due	82	52
FUSB [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total past due	36
FUSB [Member] | Real Estate [Member] | Secured by Multi-family Residential Properties [Member]
Current	18,374	16,579
Total loans	18,374	16,579
Accruing loans past due 90 days or more amounted
FUSB [Member] | Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member]
Total past due	596	13
Current	111,865	105,120
Total loans	112,461	105,133
Accruing loans past due 90 days or more amounted
FUSB [Member] | Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total past due	483	13
FUSB [Member] | Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total past due	113
FUSB [Member] | Real Estate [Member] | Other Real Estate Loans [Member]
Current	187	190
Total loans	187	190
Accruing loans past due 90 days or more amounted
FUSB [Member] | Commercial and Industrial Loans [Member]
Total past due	223	70
Current	59,097	69,899
Total loans	59,320	69,969
Accruing loans past due 90 days or more amounted
FUSB [Member] | Commercial and Industrial Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total past due	204	70
FUSB [Member] | Commercial and Industrial Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total past due
FUSB [Member] | Commercial and Industrial Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total past due	19
FUSB [Member] | Consumer Portfolio Segment [Member]
Total past due	20	42
Current	5,400	5,175
Total loans	5,420	5,217
Accruing loans past due 90 days or more amounted
FUSB [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total past due	4	42
FUSB [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total past due
FUSB [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total past due	16
FUSB [Member] | Consumer Portfolio Segment [Member] | Consumer Loans [Member]
Total loans	5,420	5,217
FUSB [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member]
Total loans
ALC [Member]
Total past due	2,839	3,242
Current	106,668	96,713
Total loans	109,507	99,955
Accruing loans past due 90 days or more amounted
ALC [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total past due	963	832
ALC [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total past due	1,353	1,834
ALC [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total past due	523	576
ALC [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]
Total loans
Accruing loans past due 90 days or more amounted
ALC [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member]
Total past due	275	374
Current	8,901	10,427
Total loans	9,176	10,801
Accruing loans past due 90 days or more amounted
ALC [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total past due	69	61
ALC [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total past due	182	290
ALC [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total past due	24	23
ALC [Member] | Real Estate [Member] | Secured by Multi-family Residential Properties [Member]
Current
Total loans
Accruing loans past due 90 days or more amounted
ALC [Member] | Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member]
Current
Total loans
Accruing loans past due 90 days or more amounted
ALC [Member] | Real Estate [Member] | Other Real Estate Loans [Member]
Current
Total loans
Accruing loans past due 90 days or more amounted
ALC [Member] | Commercial and Industrial Loans [Member]
Current
Total loans
Accruing loans past due 90 days or more amounted
ALC [Member] | Consumer Portfolio Segment [Member] | Consumer Loans [Member]
Total past due	1,753	1,924
Current	31,149	32,159
Total loans	32,902	34,083
Accruing loans past due 90 days or more amounted
ALC [Member] | Consumer Portfolio Segment [Member] | Consumer Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total past due	571	490
ALC [Member] | Consumer Portfolio Segment [Member] | Consumer Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total past due	820	1,111
ALC [Member] | Consumer Portfolio Segment [Member] | Consumer Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total past due	362	323
ALC [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member]
Total past due	811	944
Current	66,618	54,127
Total loans	67,429	55,071
Accruing loans past due 90 days or more amounted
ALC [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total past due	323	281
ALC [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total past due	351	433
ALC [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total past due	$ 137	$ 230

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- Definition

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

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-Publisher FASB
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-Topic 310
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