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Note 3 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans - Loans by Credit Quality Indicator (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Non-impaired gross loans |  | $ 645,192 | $ 639,373
Real Estate Construction Portfolio Segment[Member] |  |  |
Non-impaired gross loans |  | 31,267 | 36,075
Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 161,253 | 156,841
Commercial Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 326,067 | 328,675
Commercial Non Real Estate Segment [Member] |  |  |
Non-impaired gross loans |  | 43,402 | 38,783
Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 33,670 | 33,525
Pass [Member] |  |  |
Non-impaired gross loans |  | 637,846 | 622,802
Pass [Member] | States Political Subdivisions [Member] |  |  |
Non-impaired gross loans |  | 49,533 | 45,474
Special Mention [Member] |  |  |
Non-impaired gross loans | [1] | 3,754 | 13,519
Special Mention [Member] | States Political Subdivisions [Member] |  |  |
Non-impaired gross loans | [1] | 0 | 0
Classified Excluding Impaired [Member] |  |  |
Non-impaired gross loans | [1] | 3,592 | 3,052
Classified Excluding Impaired [Member] | States Political Subdivisions [Member] |  |  |
Non-impaired gross loans | [1] | 0 | 0
Construction, 1-4 Family Residential [Member] | Pass [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |
Non-impaired gross loans |  | 12,034 | 11,635
Construction, 1-4 Family Residential [Member] | Special Mention [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |
Non-impaired gross loans | [1] | 0 | 3,468
Construction, 1-4 Family Residential [Member] | Classified Excluding Impaired [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |
Non-impaired gross loans | [1] | 0 | 0
Construction, Other [Member] | Pass [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |
Non-impaired gross loans |  | 19,233 | 20,972
Construction, Other [Member] | Special Mention [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |
Non-impaired gross loans | [1] | 0 | 0
Construction, Other [Member] | Classified Excluding Impaired [Member] | Real Estate Construction Portfolio Segment[Member] |  |  |
Non-impaired gross loans | [1] | 0 | 0
Equity Lines [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 16,941 | 17,034
Equity Lines [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 49 | 82
Equity Lines [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 58 | 0
Closed End First Liens [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 84,718 | 83,658
Closed End First Liens [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 1,817 | 1,267
Closed End First Liens [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 995 | 580
Closed End Junior Liens [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 4,711 | 4,861
Closed End Junior Liens [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 32 | 15
Closed End Junior Liens [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 15 | 151
Investor Owned Residential Real Estate [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 51,613 | 48,277
Investor Owned Residential Real Estate [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 0 | 333
Investor Owned Residential Real Estate [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 304 | 583
Multifamily Real Estate [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 100,822 | 99,002
Multifamily Real Estate [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 0 | 1,733
Multifamily Real Estate [Member] | Classified Excluding Impaired [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 438 | 0
Commercial Real Estate, Owner Occupied [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 114,497 | 120,170
Commercial Real Estate, Owner Occupied [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 264 | 1,188
Commercial Real Estate, Owner Occupied [Member] | Classified Excluding Impaired [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 1,596 | 1,425
Commercial Real Estate Other [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 108,450 | 103,534
Commercial Real Estate Other [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 0 | 1,543
Commercial Real Estate Other [Member] | Classified Excluding Impaired [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 0 | 80
Commercial and Industrial [Member] | Pass [Member] | Commercial Non Real Estate Segment [Member] |  |  |
Non-impaired gross loans |  | 41,926 | 35,521
Commercial and Industrial [Member] | Special Mention [Member] | Commercial Non Real Estate Segment [Member] |  |  |
Non-impaired gross loans | [1] | 1,476 | 3,229
Commercial and Industrial [Member] | Classified Excluding Impaired [Member] | Commercial Non Real Estate Segment [Member] |  |  |
Non-impaired gross loans | [1] | 0 | 33
Credit Card Receivable [Member] | Pass [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 5,684 | 5,978
Credit Card Receivable [Member] | Special Mention [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 0 | 0
Credit Card Receivable [Member] | Classified Excluding Impaired [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 0 | 0
Automobile Loan [Member] | Pass [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 15,271 | 14,457
Automobile Loan [Member] | Special Mention [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 78 | 25
Automobile Loan [Member] | Classified Excluding Impaired [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 182 | 192
Other Consumer Loans [Member] | Pass [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans |  | 12,413 | 12,229
Other Consumer Loans [Member] | Special Mention [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | 38 | 636
Other Consumer Loans [Member] | Classified Excluding Impaired [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Non-impaired gross loans | [1] | $ 4 | $ 8
[1] | Excludes impaired, if any

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