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Note 4 - Loans and Allowance for Loan Losses - Changes in Allowance for Loan Losses and Recorded Investment in Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Beginning balance | $ 4,856 |  |
Provision for loan losses | 515 | $ 167 |
Ending balance | 4,879 |  | $ 4,856
Total loans receivable | 328,767 |  | 334,781
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |
Total loans receivable | 25,853 |  | 23,772
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] |  |  |
Total loans receivable | 45,528 |  | 46,679
Real Estate [Member] | Secured by Multi-family Residential Properties [Member] |  |  |
Total loans receivable | 16,464 |  | 16,627
Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] |  |  |
Total loans receivable | 97,294 |  | 102,112
Real Estate [Member] | Other Real Estate Loans [Member] |  |  |
Total loans receivable | 230 |  | 234
Commercial and Industrial Loans [Member] |  |  |
Total loans receivable | 57,253 |  | 57,963
Consumer Portfolio Segment [Member] | Consumer Loans[Member] |  |  |
Total loans receivable | 38,949 |  | 42,619
Consumer Portfolio Segment [Member] | Indirect Sales [Member] |  |  |
Total loans receivable | 47,196 |  | 44,775
FUSB [Member] |  |  |
Beginning balance | 2,409 | 1,329 | 1,329
Charge-offs | (2) |  | (151)
Recoveries | 114 |  | 346
Provision for loan losses |  |  | 885
Ending balance | 2,521 |  | 2,409
Individually evaluated for impairment | 574 |  | 535
Collectively evaluated for impairment | 1,947 |  | 1,874
Individually evaluated for impairment | 2,164 |  | 2,103
Collectively evaluated for impairment | 233,522 |  | 237,766
Total loans receivable | 235,686 |  | 239,869
FUSB [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |
Beginning balance | 535 | 110 | 110
Charge-offs |  |  |
Recoveries |  |  | 200
Provision for loan losses | 71 |  | 225
Ending balance | 606 |  | 535
Individually evaluated for impairment | 422 |  | 423
Collectively evaluated for impairment | 184 |  | 112
Individually evaluated for impairment | 1,361 |  | 1,361
Collectively evaluated for impairment | 24,492 |  | 22,411
Total loans receivable | 25,853 |  | 23,772
FUSB [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] |  |  |
Beginning balance | 304 | 138 | 138
Charge-offs |  |  | (66)
Recoveries | 31 |  | 23
Provision for loan losses | (52) |  | 209
Ending balance | 283 |  | 304
Individually evaluated for impairment | 5 |  | 5
Collectively evaluated for impairment | 278 |  | 299
Individually evaluated for impairment | 191 |  | 193
Collectively evaluated for impairment | 32,344 |  | 32,762
Total loans receivable | 32,535 |  | 32,955
FUSB [Member] | Real Estate [Member] | Secured by Multi-family Residential Properties [Member] |  |  |
Beginning balance | 88 | 29 | 29
Charge-offs |  |  |
Recoveries |  |  |
Provision for loan losses | 27 |  | 59
Ending balance | 115 |  | 88
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 115 |  | 88
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 16,464 |  | 16,627
Total loans receivable | 16,464 |  | 16,627
FUSB [Member] | Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] |  |  |
Beginning balance | 903 | 351 | 351
Charge-offs |  |  | (40)
Recoveries | 66 |  |
Provision for loan losses | (186) |  | 592
Ending balance | 783 |  | 903
Individually evaluated for impairment | 102 |  | 107
Collectively evaluated for impairment | 681 |  | 796
Individually evaluated for impairment | 542 |  | 549
Collectively evaluated for impairment | 96,752 |  | 101,563
Total loans receivable | 97,294 |  | 102,112
FUSB [Member] | Real Estate [Member] | Other Real Estate Loans [Member] |  |  |
Beginning balance | 2 | 1 | 1
Charge-offs |  |  |
Recoveries |  |  |
Provision for loan losses |  |  | 1
Ending balance | 2 |  | 2
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 2 |  | 2
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 230 |  | 234
Total loans receivable | 230 |  | 234
FUSB [Member] | Commercial and Industrial Loans [Member] |  |  |
Beginning balance | 527 | 659 | 659
Charge-offs |  |  | (2)
Recoveries | 4 |  | 73
Provision for loan losses | 157 |  | (203)
Ending balance | 688 |  | 527
Individually evaluated for impairment | 45 |  |
Collectively evaluated for impairment | 643 |  | 527
Individually evaluated for impairment | 70 |  |
Collectively evaluated for impairment | 57,183 |  | 57,963
Total loans receivable | 57,253 |  | 57,963
FUSB [Member] | Consumer Portfolio Segment [Member] |  |  |
Total loans receivable | 6,057 |  | 6,206
FUSB [Member] | Consumer Portfolio Segment [Member] | Consumer Loans[Member] |  |  |
Beginning balance | 50 | 41 | 41
Charge-offs | (2) |  | (43)
Recoveries | 13 |  | 50
Provision for loan losses | (17) |  | 2
Ending balance | 44 |  | 50
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 44 |  | 50
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 6,057 |  | 6,206
Total loans receivable | 6,057 |  | 6,206
FUSB [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member] |  |  |
Beginning balance |  |  |
Charge-offs |  |  |
Recoveries |  |  |
Provision for loan losses |  |  |
Ending balance |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Total loans receivable |  |  |
ALC [Member] |  |  |
Beginning balance | 2,447 | 2,452 | 2,452
Charge-offs | (806) |  | (3,026)
Recoveries | 202 |  | 710
Provision for loan losses | 515 |  | 2,311
Ending balance | 2,358 |  | 2,447
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 2,358 |  | 2,447
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 93,081 |  | 94,912
Total loans receivable | 93,081 |  | 94,912
ALC [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |
Beginning balance |  |  |
Charge-offs |  |  |
Recoveries |  |  |
Provision for loan losses |  |  |
Ending balance |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Total loans receivable |  |  |
ALC [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] |  |  |
Beginning balance | 107 | 250 | 250
Charge-offs | (13) |  | (56)
Recoveries | 15 |  | 39
Provision for loan losses | (33) |  | (126)
Ending balance | 76 |  | 107
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 76 |  | 107
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 12,993 |  | 13,724
Total loans receivable | 12,993 |  | 13,724
ALC [Member] | Real Estate [Member] | Secured by Multi-family Residential Properties [Member] |  |  |
Beginning balance |  |  |
Charge-offs |  |  |
Recoveries |  |  |
Provision for loan losses |  |  |
Ending balance |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Total loans receivable |  |  |
ALC [Member] | Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] |  |  |
Beginning balance |  |  |
Charge-offs |  |  |
Recoveries |  |  |
Provision for loan losses |  |  |
Ending balance |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Total loans receivable |  |  |
ALC [Member] | Real Estate [Member] | Other Real Estate Loans [Member] |  |  |
Beginning balance |  |  |
Charge-offs |  |  |
Recoveries |  |  |
Provision for loan losses |  |  |
Ending balance |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Total loans receivable |  |  |
ALC [Member] | Commercial and Industrial Loans [Member] |  |  |
Beginning balance |  |  |
Charge-offs |  |  |
Recoveries |  |  |
Provision for loan losses |  |  |
Ending balance |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment |  |  |
Total loans receivable |  |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Consumer Loans[Member] |  |  |
Beginning balance | 1,717 | 1,584 | 1,584
Charge-offs | (658) |  | (2,218)
Recoveries | 137 |  | 451
Provision for loan losses | 470 |  | 1,900
Ending balance | 1,666 |  | 1,717
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 1,666 |  | 1,717
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 32,892 |  | 36,413
Total loans receivable | 32,892 |  | 36,413
ALC [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member] |  |  |
Beginning balance | 623 | 618 | 618
Charge-offs | (135) |  | (752)
Recoveries | 50 |  | 220
Provision for loan losses | 78 |  | 537
Ending balance | 616 |  | 623
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 616 |  | 623
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 47,196 |  | 44,775
Total loans receivable | 47,196 |  | 44,775
FUSB and ALC [Member] |  |  |
Beginning balance | 4,856 | 3,781 | 3,781
Charge-offs | (808) |  | (3,177)
Recoveries | 316 |  | 1,056
Provision for loan losses | 515 |  | 3,196
Ending balance | 4,879 |  | 4,856
Individually evaluated for impairment | 574 |  | 535
Collectively evaluated for impairment | 4,305 |  | 4,321
Individually evaluated for impairment | 2,164 |  | 2,103
Collectively evaluated for impairment | 326,603 |  | 332,678
Total loans receivable | 328,767 |  | 334,781
FUSB and ALC [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |
Beginning balance | 535 | 110 | 110
Charge-offs |  |  |
Recoveries |  |  | 200
Provision for loan losses | 71 |  | 225
Ending balance | 606 |  | 535
Individually evaluated for impairment | 422 |  | 423
Collectively evaluated for impairment | 184 |  | 112
Individually evaluated for impairment | 1,361 |  | 1,361
Collectively evaluated for impairment | 24,492 |  | 22,411
Total loans receivable | 25,853 |  | 23,772
FUSB and ALC [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] |  |  |
Beginning balance | 411 | 388 | 388
Charge-offs | (13) |  | (122)
Recoveries | 46 |  | 62
Provision for loan losses | (85) |  | 83
Ending balance | 359 |  | 411
Individually evaluated for impairment | 5 |  | 5
Collectively evaluated for impairment | 354 |  | 406
Individually evaluated for impairment | 191 |  | 193
Collectively evaluated for impairment | 45,337 |  | 46,486
Total loans receivable | 45,528 |  | 46,679
FUSB and ALC [Member] | Real Estate [Member] | Secured by Multi-family Residential Properties [Member] |  |  |
Beginning balance | 88 | 29 | 29
Charge-offs |  |  |
Recoveries |  |  |
Provision for loan losses | 27 |  | 59
Ending balance | 115 |  | 88
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 115 |  | 88
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 16,464 |  | 16,627
Total loans receivable | 16,464 |  | 16,627
FUSB and ALC [Member] | Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] |  |  |
Beginning balance | 903 | 351 | 351
Charge-offs |  |  | (40)
Recoveries | 66 |  |
Provision for loan losses | (186) |  | 592
Ending balance | 783 |  | 903
Individually evaluated for impairment | 102 |  | 107
Collectively evaluated for impairment | 681 |  | 796
Individually evaluated for impairment | 542 |  | 549
Collectively evaluated for impairment | 96,752 |  | 101,563
Total loans receivable | 97,294 |  | 102,112
FUSB and ALC [Member] | Real Estate [Member] | Other Real Estate Loans [Member] |  |  |
Beginning balance | 2 | 1 | 1
Charge-offs |  |  |
Recoveries |  |  |
Provision for loan losses |  |  | 1
Ending balance | 2 |  | 2
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 2 |  | 2
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 230 |  | 234
Total loans receivable | 230 |  | 234
FUSB and ALC [Member] | Commercial and Industrial Loans [Member] |  |  |
Beginning balance | 527 | 659 | 659
Charge-offs |  |  | (2)
Recoveries | 4 |  | 73
Provision for loan losses | 157 |  | (203)
Ending balance | 688 |  | 527
Individually evaluated for impairment | 45 |  |
Collectively evaluated for impairment | 643 |  | 527
Individually evaluated for impairment | 70 |  |
Collectively evaluated for impairment | 57,183 |  | 57,963
Total loans receivable | 57,253 |  | 57,963
FUSB and ALC [Member] | Consumer Portfolio Segment [Member] | Consumer Loans[Member] |  |  |
Beginning balance | 1,767 | 1,625 | 1,625
Charge-offs | (660) |  | (2,261)
Recoveries | 150 |  | 501
Provision for loan losses | 453 |  | 1,902
Ending balance | 1,710 |  | 1,767
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 1,710 |  | 1,767
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 38,949 |  | 42,619
Total loans receivable | 38,949 |  | 42,619
FUSB and ALC [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member] |  |  |
Beginning balance | 623 | $ 618 | 618
Charge-offs | (135) |  | (752)
Recoveries | 50 |  | 220
Provision for loan losses | 78 |  | 537
Ending balance | 616 |  | 623
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 616 |  | 623
Individually evaluated for impairment |  |  |
Collectively evaluated for impairment | 47,196 |  | 44,775
Total loans receivable | $ 47,196 |  | $ 44,775

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 + Details
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