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Note 3 - Loans - Summary of Loan Classes and an Aging of Past Due Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2018
--- | --- | --- | ---
Total past due | $ 1,913 | $ 4,444 |
Current | 573,041 | 538,412 |
Loans | 574,954 | 542,856 | $ 530,933
Non-accrual loans | 1,775 | 3,172 |
Accruing loans past due 90 days or more amounted | 19 | 235 |
Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Total past due | 883 | 1,070 |
Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due | 155 | 534 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Total past due | 875 | 2,840 |
Real Estate 1 [Member] | Construction and Land Development [Member] |  |  |
Total past due | 80 | 168 |
Current | 46,201 | 45,699 |
Loans | 46,281 | 45,867 | 37,350
Non-accrual loans | 391 | 327 |
Accruing loans past due 90 days or more amounted |  |  |
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Total past due |  | 88 |
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due |  | 80 |
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Total past due | 80 |  |
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] |  |  |
Total past due | 1,028 | 1,563 |
Current | 224,792 | 214,382 |
Loans | 225,820 | 215,945 | 211,101
Non-accrual loans | 866 | 663 |
Accruing loans past due 90 days or more amounted |  |  |
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Total past due | 580 | 747 |
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due | 140 | 393 |
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Total past due | 308 | 423 |
Real Estate 1 [Member] | Other Real Estate Loans [Member] |  |  |
Total past due | 660 | 2,388 |
Current | 236,710 | 217,165 |
Loans | 237,370 | 219,553 | 224,362
Non-accrual loans | 518 | 1,985 |
Accruing loans past due 90 days or more amounted |  | 222 |
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Total past due | 192 | 145 |
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due |  | 36 |
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Total past due | 468 | 2,207 |
Commercial and Industrial Loans [Member] |  |  |
Total past due | 35 | 235 |
Current | 49,318 | 44,370 |
Loans | 49,353 | 44,605 | 40,943
Non-accrual loans |  | 197 |
Accruing loans past due 90 days or more amounted |  | 13 |
Commercial and Industrial Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Total past due | 35 |  |
Commercial and Industrial Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due |  | 25 |
Commercial and Industrial Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Total past due |  | 210 |
Consumer and Other Loans [Member] |  |  |
Total past due | 110 | 90 |
Current | 16,020 | 16,796 |
Loans | 16,130 | 16,886 | $ 17,177
Non-accrual loans |  |  |
Accruing loans past due 90 days or more amounted | 19 |  |
Consumer and Other Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Total past due | 76 | 90 |
Consumer and Other Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due | 15 |  |
Consumer and Other Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Total past due | $ 19 |  |

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