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Note 3 - Loans Receivable and Allowance for Loan Losses - Delinquency Status of Performing and Non-performing Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Non-accruing loans | $ 1,859 | $ 1,821
Loans receivable, gross | 679,088 | 581,657
Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 5,975 | 1,718
Performing (accruing) loans, current | 671,254 | 578,118
Loans receivable, gross | 677,229 | 579,836
Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 3,631 | 253
Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 147 | 13
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,197 | 1,452
Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans |  |
Loans receivable, gross | 280,059 | 271,229
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 3,097 |
Performing (accruing) loans, current | 276,962 | 271,229
Loans receivable, gross | 280,059 | 271,229
Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 3,097 |
Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) 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 (accruing) loans, past due |  |
Residential Portfolio Segment [Member] |  |
Non-accruing loans | 1,590 | 1,590
Loans receivable, gross | 152,428 | 86,514
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1,934 | 1,589
Performing (accruing) loans, current | 148,904 | 83,335
Loans receivable, gross | 150,838 | 84,924
Residential Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 478 | 131
Residential Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 9 | 9
Residential Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1,447 | 1,449
Commercial Portfolio Segment [Member] |  |
Non-accruing loans | 269 | 231
Loans receivable, gross | 94,884 | 60,977
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 801 | 51
Performing (accruing) loans, current | 93,814 | 60,695
Loans receivable, gross | 94,615 | 60,746
Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 47 | 47
Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 4 | 4
Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 750 |
Consumer Portfolio Segment [Member] |  |
Loans receivable, gross | 94,830 | 101,449
Construction Portfolio Segment [Member] |  |
Loans receivable, gross | 49,222 | 53,895
Construction to Permanent Portfolio Segment [Member] |  |
Loans receivable, gross | 7,665 | 7,593
Pass [Member] |  |
Non-accruing loans |  |
Loans receivable, gross | 649,104 | 573,850
Pass [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,878 | 1,718
Performing (accruing) loans, current | 646,226 | 572,132
Loans receivable, gross | 649,104 | 573,850
Pass [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 534 | 253
Pass [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 147 | 13
Pass [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,197 | 1,452
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans |  |
Loans receivable, gross | 252,424 | 265,246
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 252,424 | 265,246
Loans receivable, gross | 252,424 | 265,246
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) 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 (accruing) 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 (accruing) loans, past due | 0 | 0
Pass [Member] | Residential Portfolio Segment [Member] |  |
Non-accruing loans |  |
Loans receivable, gross | 150,838 | 84,924
Pass [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1,934 | 1,589
Performing (accruing) loans, current | 148,904 | 83,335
Loans receivable, gross | 150,838 | 84,924
Pass [Member] | Residential Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 478 | 131
Pass [Member] | Residential Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 9 | 9
Pass [Member] | Residential Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1,447 | 1,449
Pass [Member] | Commercial Portfolio Segment [Member] |  |
Non-accruing loans |  |
Loans receivable, gross | 94,125 | 60,743
Pass [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 801 | 51
Performing (accruing) loans, current | 93,324 | 60,692
Loans receivable, gross | 94,125 | 60,743
Pass [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 47 | 47
Pass [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 4 | 4
Pass [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 750 |
Pass [Member] | Consumer Portfolio Segment [Member] |  |
Non-accruing loans |  |
Loans receivable, gross | 94,830 | 101,449
Pass [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 143 | 78
Performing (accruing) loans, current | 94,687 | 101,371
Loans receivable, gross | 94,830 | 101,449
Pass [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 9 | 75
Pass [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 134 |
Pass [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  | 3
Pass [Member] | Construction Portfolio Segment [Member] |  |
Non-accruing loans |  |
Loans receivable, gross | 49,222 | 53,895
Pass [Member] | Construction Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 49,222 | 53,895
Loans receivable, gross | 49,222 | 53,895
Pass [Member] | Construction Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Pass [Member] | Construction Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) 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 (accruing) loans, past due |  |
Pass [Member] | Construction to Permanent Portfolio Segment [Member] |  |
Non-accruing loans |  |
Loans receivable, gross | 7,665 | 7,593
Pass [Member] | Construction to Permanent Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 7,665 | 7,593
Loans receivable, gross | 7,665 | 7,593
Pass [Member] | Construction to Permanent Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) 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 (accruing) 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 (accruing) loans, past due |  |
Special Mention [Member] |  |
Non-accruing loans |  |
Loans receivable, gross | 16,421 | 4,531
Special Mention [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 16,421 | 4,531
Loans receivable, gross | 16,421 | 4,531
Special Mention [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Special Mention [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Special Mention [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans |  |
Loans receivable, gross | 16,421 | 4,531
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Performing (accruing) loans, current | 16,421 | 4,531
Loans receivable, gross | 16,421 | 4,531
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) 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 (accruing) 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 (accruing) loans, past due | 0 | 0
Substandard [Member] |  |
Non-accruing loans | 1,859 | 1,821
Loans receivable, gross | 13,563 |
Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 3,097 |
Performing (accruing) loans, current | 8,607 |
Loans receivable, gross | 11,704 |
Substandard [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 3,097 |
Substandard [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Substandard [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans |  |
Loans receivable, gross | 11,214 | 1,452
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 3,097 | 0
Performing (accruing) loans, current | 8,117 | 1,452
Loans receivable, gross | 11,214 | 1,452
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 3,097 | 0
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) 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 (accruing) loans, past due | 0 | 0
Substandard [Member] | Residential Portfolio Segment [Member] |  |
Non-accruing loans | 1,590 | 1,590
Loans receivable, gross | 1,590 | 1,590
Substandard [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Performing (accruing) loans, current |  |
Loans receivable, gross |  |
Substandard [Member] | Residential Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Substandard [Member] | Residential Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) 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 (accruing) loans, past due | 0 | 0
Substandard [Member] | Commercial Portfolio Segment [Member] |  |
Non-accruing loans | 269 | 231
Loans receivable, gross | 759 | 234
Substandard [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 490 | 3
Loans receivable, gross | 490 | 3
Substandard [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Substandard [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) 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 (accruing) loans, past due |  |
Substandard [Member] | Consumer Portfolio Segment [Member] |  |
Non-accruing loans |  | 1,821
Loans receivable, gross |  | 3,276
Substandard [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current |  | 1,455
Loans receivable, gross |  | 1,455
Substandard [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Substandard [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) 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 (accruing) loans, past due |  |

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