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Note 3 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans - Loans by Credit Quality Indicator (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Loans, collectively evaluated for impairment |  | $ 690,502 | $ 656,758 |
Real Estate Construction Portfolio Segment[Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 40,078 | 31,812 |
Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 169,991 | 165,698 |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 340,146 | 333,898 |
Commercial Non Real Estate Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 43,348 | 39,289 |
Consumer Non Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 37,570 | 34,618 |
Pass [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 688,046 | 651,706 |
Pass [Member] | States Political Subdivisions [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 59,369 | 51,443 |
Special Mention [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 1,576 | 3,361 |
Special Mention [Member] | States Political Subdivisions [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 0 | 0 |
Classified Excluding Impaired [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 880 | 1,691 |
Classified Excluding Impaired [Member] | States Political Subdivisions [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 0 | 0 |
Construction, 1-4 Family Residential [Member] | Pass [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 9,281 | 10,396 | [1]
Construction, 1-4 Family Residential [Member] | Special Mention [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 0 |  |
Construction, 1-4 Family Residential [Member] | Classified Excluding Impaired [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 0 | 0 |
Construction, Other [Member] | Pass [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 30,776 | 21,416 |
Construction, Other [Member] | Special Mention [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 21 | 0 |
Construction, Other [Member] | Classified Excluding Impaired [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 0 | 0 |
Equity Lines [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 16,653 | 16,673 |
Equity Lines [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 296 | 39 |
Equity Lines [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] |  | 0 |
Closed End First Liens [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 87,835 | 85,975 |
Closed End First Liens [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 916 | 2,400 |
Closed End First Liens [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 590 | 355 |
Closed End Junior Liens [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 4,059 | 4,483 |
Closed End Junior Liens [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] |  | 29 |
Closed End Junior Liens [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] |  | 12 |
Investor Owned Residential Real Estate [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 59,642 | 55,410 |
Investor Owned Residential Real Estate [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] |  | 66 |
Investor Owned Residential Real Estate [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] |  | 256 |
Multifamily Real Estate [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 93,296 | 95,894 |
Multifamily Real Estate [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] |  | 127 |
Multifamily Real Estate [Member] | Classified Excluding Impaired [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 195 | 0 |
Commercial Real Estate, Owner Occupied [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 122,589 | 130,256 |
Commercial Real Estate, Owner Occupied [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 74 | 246 |
Commercial Real Estate, Owner Occupied [Member] | Classified Excluding Impaired [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 32 | 763 |
Commercial Real Estate Other [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 123,960 | 106,612 |
Commercial Real Estate Other [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] |  |  |
Commercial Real Estate Other [Member] | Classified Excluding Impaired [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] |  |  |
Commercial and Industrial [Member] | Pass [Member] | Commercial Non Real Estate Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 43,176 | 38,904 |
Commercial and Industrial [Member] | Special Mention [Member] | Commercial Non Real Estate Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 167 | 220 |
Commercial and Industrial [Member] | Classified Excluding Impaired [Member] | Commercial Non Real Estate Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 5 | 165 |
Credit Card Receivable [Member] | Pass [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 5,564 | 5,493 |
Credit Card Receivable [Member] | Special Mention [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 0 | 0 |
Credit Card Receivable [Member] | Classified Excluding Impaired [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 0 | 0 |
Automobile Loan [Member] | Pass [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 15,912 | 16,059 |
Automobile Loan [Member] | Special Mention [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 78 | 218 |
Automobile Loan [Member] | Classified Excluding Impaired [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 49 | 116 |
Other Consumer Loans [Member] | Pass [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment |  | 15,934 | 12,692 |
Other Consumer Loans [Member] | Special Mention [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | 24 | 16 |
Other Consumer Loans [Member] | Classified Excluding Impaired [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |  |
Loans, collectively evaluated for impairment | [1] | $ 9 | $ 24 |
[1] | Excludes impaired, if any.

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