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Note 3 - Loans - Summary of Loan Classes and an Aging of Past Due Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2020
--- | --- | --- | ---
Total past due | $ 5,621 | $ 1,582 |
Current | 632,581 | 628,332 |
Loans | 638,202 | 629,914 | $ 581,867
Non-accrual loans | 6,814 | 6,714 |
Accruing loans past due 90 days or more amounted |  | 302 |
Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Total past due | 1,041 | 824 |
Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due | 153 | 297 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Total past due | 4,427 | 461 |
Real Estate 1 [Member] | Construction and Land Development [Member] |  |  |
Total past due | 46 | 67 |
Current | 25,674 | 27,261 |
Loans | 25,720 | 27,328 | 40,279
Non-accrual loans | 269 | 276 |
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 | 46 | 47 |
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due |  | 20 |
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Total past due |  |  |
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] |  |  |
Total past due | 929 | 1,106 |
Current | 235,941 | 234,708 |
Loans | 236,870 | 235,814 | 230,980
Non-accrual loans | 430 | 449 |
Accruing loans past due 90 days or more amounted |  | 298 |
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Total past due | 905 | 657 |
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due |  | 125 |
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 | 24 | 324 |
Real Estate 1 [Member] | Other Real Estate Loans [Member] |  |  |
Total past due | 4,532 | 264 |
Current | 244,332 | 246,619 |
Loans | 248,864 | 246,883 | 241,374
Non-accrual loans | 4,567 | 4,441 |
Accruing loans past due 90 days or more amounted |  |  |
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Total past due |  |  |
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due | 129 | 131 |
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Total past due | 4,403 | 133 |
Commercial and Industrial Loans [Member] |  |  |
Total past due | 59 | 104 |
Current | 117,486 | 109,734 |
Loans | 117,545 | 109,838 | 55,508
Non-accrual loans | 1,548 | 1,548 |
Accruing loans past due 90 days or more amounted |  |  |
Commercial and Industrial Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Total past due | 59 | 104 |
Commercial and Industrial Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due |  |  |
Commercial and Industrial Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Total past due |  |  |
Consumer and Other Loans [Member] |  |  |
Total past due | 55 | 41 |
Current | 9,148 | 10,010 |
Loans | 9,203 | 10,051 | $ 13,726
Non-accrual loans |  |  |
Accruing loans past due 90 days or more amounted |  | 4 |
Consumer and Other Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Total past due | 31 | 16 |
Consumer and Other Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Total past due | 24 | 21 |
Consumer and Other Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Total past due |  | $ 4 |

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