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Note 4 - Loans and Allowance for Loan Losses - Carrying Amount of Loans By Credit Quality Indicator (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Total loans | $ 334,781 | $ 268,577
FUSB [Member] |  |
Total loans | 239,869 | 175,213
FUSB [Member] | Pass [Member] |  |
Total loans | 231,785 | 165,175
FUSB [Member] | Special Mention [Member] |  |
Total loans | 4,755 | 5,025
FUSB [Member] | Substandard [Member] |  |
Total loans | 3,329 | 5,013
FUSB [Member] | Doubtful [Member] |  |
Total loans |  |
ALC [Member] |  |
Total loans | 94,912 | 93,364
ALC [Member] | Performing Financial Instruments [Member] |  |
Total loans | 93,013 | 91,707
ALC [Member] | Nonperforming Financial Instruments [Member] |  |
Total loans | 1,899 | 1,657
Consumer Portfolio Segment [Member] | FUSB [Member] |  |
Total loans | 6,206 | 7,436
Consumer Portfolio Segment [Member] | FUSB [Member] | Pass [Member] |  |
Total loans | 6,126 | 7,284
Consumer Portfolio Segment [Member] | FUSB [Member] | Special Mention [Member] |  |
Total loans |  |
Consumer Portfolio Segment [Member] | FUSB [Member] | Substandard [Member] |  |
Total loans | 80 | 152
Consumer Portfolio Segment [Member] | FUSB [Member] | Doubtful [Member] |  |
Total loans |  |
Commercial and Industrial Loans [Member] |  |
Total loans | 57,963 | 29,377
Commercial and Industrial Loans [Member] | FUSB [Member] |  |
Total loans | 57,963 | 29,377
Commercial and Industrial Loans [Member] | FUSB [Member] | Pass [Member] |  |
Total loans | 55,481 | 28,170
Commercial and Industrial Loans [Member] | FUSB [Member] | Special Mention [Member] |  |
Total loans | 2,227 | 482
Commercial and Industrial Loans [Member] | FUSB [Member] | Substandard [Member] |  |
Total loans | 255 | 725
Commercial and Industrial Loans [Member] | FUSB [Member] | Doubtful [Member] |  |
Total loans |  |
Commercial and Industrial Loans [Member] | ALC [Member] |  |
Total loans |  |
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] |  |
Total loans | 23,772 | 11,827
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | FUSB [Member] |  |
Total loans | 23,772 | 11,827
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | FUSB [Member] | Pass [Member] |  |
Total loans | 22,240 | 9,862
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | FUSB [Member] | Special Mention [Member] |  |
Total loans |  |
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | FUSB [Member] | Substandard [Member] |  |
Total loans | 1,532 | 1,965
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | FUSB [Member] | Doubtful [Member] |  |
Total loans |  |
Construction, Land Development and Other Land Loans [Member] | Real Estate [Member] | ALC [Member] |  |
Total loans |  |
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] |  |
Total loans | 46,679 | 47,963
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] |  |
Total loans | 32,955 | 30,730
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Pass [Member] |  |
Total loans | 31,995 | 29,252
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Special Mention [Member] |  |
Total loans | 213 | 228
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Substandard [Member] |  |
Total loans | 747 | 1,250
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Doubtful [Member] |  |
Total loans |  |
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | ALC [Member] |  |
Total loans | 13,724 | 17,233
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | ALC [Member] | Performing Financial Instruments [Member] |  |
Total loans | 13,507 | 16,964
Secured by 1-4 Family Residential Properties [Member] | Real Estate [Member] | ALC [Member] | Nonperforming Financial Instruments [Member] |  |
Total loans | 217 | 269
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | ALC [Member] |  |
Total loans |  | 17,233
Consumer Loans[Member] | Consumer Portfolio Segment [Member] |  |
Total loans | 42,619 | 45,634
Consumer Loans[Member] | Consumer Portfolio Segment [Member] | FUSB [Member] |  |
Total loans | 6,206 | 7,436
Consumer Loans[Member] | Consumer Portfolio Segment [Member] | ALC [Member] |  |
Total loans | 36,413 | 38,198
Consumer Loans[Member] | Consumer Portfolio Segment [Member] | ALC [Member] | Performing Financial Instruments [Member] |  |
Total loans | 35,278 | 37,195
Consumer Loans[Member] | Consumer Portfolio Segment [Member] | ALC [Member] | Nonperforming Financial Instruments [Member] |  |
Total loans | 1,135 | 1,003
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] |  |
Total loans | 16,627 | 11,845
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] |  |
Total loans | 16,627 | 11,845
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Pass [Member] |  |
Total loans | 16,627 | 11,845
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Special Mention [Member] |  |
Total loans |  |
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Substandard [Member] |  |
Total loans |  |
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Doubtful [Member] |  |
Total loans |  |
Secured by Multi-family Residential Properties [Member] | Real Estate [Member] | ALC [Member] |  |
Total loans |  |
Indirect Sales [Member] | Consumer Portfolio Segment [Member] |  |
Total loans | 44,775 | 37,933
Indirect Sales [Member] | Consumer Portfolio Segment [Member] | FUSB [Member] |  |
Total loans |  |
Indirect Sales [Member] | Consumer Portfolio Segment [Member] | ALC [Member] |  |
Total loans | 44,775 | 37,933
Indirect Sales [Member] | Consumer Portfolio Segment [Member] | ALC [Member] | Performing Financial Instruments [Member] |  |
Total loans | 44,228 | 37,548
Indirect Sales [Member] | Consumer Portfolio Segment [Member] | ALC [Member] | Nonperforming Financial Instruments [Member] |  |
Total loans | 547 | 385
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] |  |
Total loans | 102,112 | 83,883
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | FUSB [Member] |  |
Total loans | 102,112 | 83,883
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Pass [Member] |  |
Total loans | 99,082 | 78,647
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Special Mention [Member] |  |
Total loans | 2,315 | 4,315
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Substandard [Member] |  |
Total loans | 715 | 921
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | FUSB [Member] | Doubtful [Member] |  |
Total loans |  |
Secured by Non-farm, Non-residential Properties [Member] | Real Estate [Member] | ALC [Member] |  |
Total loans |  |
Other Real Estate Loans [Member] | Real Estate [Member] |  |
Total loans | 234 | 115
Other Real Estate Loans [Member] | Real Estate [Member] | FUSB [Member] |  |
Total loans | 234 | 115
Other Real Estate Loans [Member] | Real Estate [Member] | FUSB [Member] | Pass [Member] |  |
Total loans | 234 | 115
Other Real Estate Loans [Member] | Real Estate [Member] | FUSB [Member] | Special Mention [Member] |  |
Total loans |  |
Other Real Estate Loans [Member] | Real Estate [Member] | FUSB [Member] | Substandard [Member] |  |
Total loans |  |
Other Real Estate Loans [Member] | Real Estate [Member] | FUSB [Member] | Doubtful [Member] |  |
Total loans |  |
Other Real Estate Loans [Member] | Real Estate [Member] | ALC [Member] |  |
Total loans |  |

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