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Note 4 - Loan Receivables and Allowance for Loan Losses - Delinquency Status of Performing (Accruing) Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Loans | $ 581,657 | $ 484,369
Non-accrual loans | 1,821 | 1,593
Performing Financial Instruments [Member] |  |
Performing loans past due | 1,718 | 7,061
Performing (accruing) loans current | 578,118 | 475,715
Loans | 579,836 | 482,776
Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 253 | 4,321
Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 13 | 694
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 1,452 | 2,046
Commercial Real Estate Portfolio Segment [Member] |  |
Loans | 271,229 | 245,828
Non-accrual loans |  |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 840
Performing (accruing) loans current | 271,229 | 244,988
Loans | 271,229 | 245,828
Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 840
Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Residential Portfolio Segment [Member] |  |
Loans | 86,514 | 110,837
Non-accrual loans | 1,590 | 1,590
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 1,589 | 1,757
Performing (accruing) loans current | 83,335 | 107,490
Loans | 84,924 | 109,247
Residential Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 131 | 153
Residential Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 9 | 87
Residential Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 1,449 | 1,517
Commercial Portfolio Segment [Member] |  |
Loans | 60,977 | 59,752
Non-accrual loans | 231 |
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 51 | 4,145
Performing (accruing) loans current | 60,695 | 55,607
Loans | 60,746 | 59,752
Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 47 | 3,020
Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 4 | 605
Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 520
Consumer Portfolio Segment [Member] |  |
Loans | 101,449 | 47,521
Non-accrual loans |  | 3
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 319
Performing (accruing) loans current |  | 47,199
Loans |  | 47,518
Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 308
Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 2
Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 9
Construction Portfolio Segment [Member] |  |
Loans | 53,895 | 15,551
Construction to Permanent Portfolio Segment [Member] |  |
Loans | 7,593 | 4,880
Pass [Member] |  |
Loans | 573,850 | 471,960
Non-accrual loans |  |
Pass [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 1,718 | 3,244
Performing (accruing) loans current | 572,132 | 468,716
Loans | 573,850 | 471,960
Pass [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 253 | 504
Pass [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 13 | 694
Pass [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 1,452 | 2,046
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Loans | 265,246 | 237,996
Non-accrual loans |  |
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Performing (accruing) loans current | 265,246 | 237,996
Loans | 265,246 | 237,996
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 |
Pass [Member] | Residential Portfolio Segment [Member] |  |
Loans | 84,924 | 109,247
Non-accrual loans |  |
Pass [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 1,589 | 1,757
Performing (accruing) loans current | 83,335 | 107,490
Loans | 84,924 | 109,247
Pass [Member] | Residential Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 131 | 153
Pass [Member] | Residential Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 9 | 87
Pass [Member] | Residential Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 1,449 | 1,517
Pass [Member] | Commercial Portfolio Segment [Member] |  |
Loans | 60,743 | 56,768
Non-accrual loans |  |
Pass [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 51 | 1,168
Performing (accruing) loans current | 60,692 | 55,600
Loans | 60,743 | 56,768
Pass [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 47 | 43
Pass [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 4 | 605
Pass [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 520
Pass [Member] | Consumer Portfolio Segment [Member] |  |
Loans | 101,449 | 47,518
Non-accrual loans |  |
Pass [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 78 | 319
Performing (accruing) loans current | 101,371 | 47,199
Loans | 101,449 | 47,518
Pass [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 75 | 308
Pass [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 2
Pass [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 3 | 9
Pass [Member] | Construction Portfolio Segment [Member] |  |
Loans | 53,895 | 15,551
Non-accrual loans |  |
Pass [Member] | Construction Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Performing (accruing) loans current | 53,895 | 15,551
Loans | 53,895 | 15,551
Pass [Member] | Construction Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Pass [Member] | Construction Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Pass [Member] | Construction Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Pass [Member] | Construction to Permanent Portfolio Segment [Member] |  |
Loans | 7,593 | 4,880
Non-accrual loans |  |
Pass [Member] | Construction to Permanent Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Performing (accruing) loans current | 7,593 | 4,880
Loans | 7,593 | 4,880
Pass [Member] | Construction to Permanent Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Pass [Member] | Construction to Permanent Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Pass [Member] | Construction to Permanent Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Special Mention [Member] |  |
Loans | 4,531 | 5,322
Non-accrual loans |  |
Special Mention [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 0
Performing (accruing) loans current | 4,531 | 5,322
Loans | 4,531 | 5,322
Special Mention [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 0
Special Mention [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 0
Special Mention [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 0
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Loans | 4,531 | 5,322
Non-accrual loans |  |
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 0
Performing (accruing) loans current | 4,531 | 5,322
Loans | 4,531 | 5,322
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 0
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 0
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 0
Substandard [Member] |  |
Loans | 3,276 | 7,087
Non-accrual loans | 1,821 | 1,593
Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 3,817
Performing (accruing) loans current | 1,455 | 1,677
Loans | 1,455 | 5,494
Substandard [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 3,817
Substandard [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Substandard [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Loans | 1,452 | 2,510
Non-accrual loans |  |
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 840
Performing (accruing) loans current | 1,452 | 1,670
Loans | 1,452 | 2,510
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 840
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 0
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 0
Substandard [Member] | Residential Portfolio Segment [Member] |  |
Loans | 1,590 | 1,590
Non-accrual loans | 1,590 | 1,590
Substandard [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 |
Performing (accruing) loans current |  |
Loans |  |
Substandard [Member] | Residential Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 |
Substandard [Member] | Residential Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 0
Substandard [Member] | Residential Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due | 0 | 0
Substandard [Member] | Commercial Portfolio Segment [Member] |  |
Loans | 234 | 2,984
Non-accrual loans | 231 |
Substandard [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 2,977
Performing (accruing) loans current | 3 | 7
Loans | 3 | 2,984
Substandard [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  | 2,977
Substandard [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Substandard [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Substandard [Member] | Consumer Portfolio Segment [Member] |  |
Loans |  | 3
Non-accrual loans |  | 3
Substandard [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Performing (accruing) loans current |  |
Loans |  |
Substandard [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Substandard [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |
Substandard [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing loans past due |  |

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