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Note 3 - Loans and Allowance for Loan Losses - Loans Individually Evaluated for Impairment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Impaired loans with no related allowance, recorded investment | $ 322 |  | $ 322 |  | $ 355
Impaired loans with no related allowance, unpaid principal balance | 525 |  | 525 |  | 595
Impaired loans with a related allowance, recorded investment | 673 |  | 673 |  | 781
Impaired loans with a related allowance, unpaid principal balance | 680 |  | 680 |  | 797
Impaired loans, related allowance | 104 |  | 104 |  | 118
Impaired loans, recorded investment | 995 |  | 995 |  | 1,136
Impaired loans, unpaid principal balance | 1,205 |  | 1,205 |  | 1,392
Average recorded investment, with no related allowance recorded | 324 | $ 1,339 | 326 | $ 1,424 |
Interest income recognized, with no related allowance recorded | 7 | 18 | 13 | 37 |
Average recorded investment, with a related allowance recorded | 677 | 984 | 680 | 990 |
Interest income recognized, with a related allowance recorded | 8 | 10 | 15 | 22 |
Average recorded investment | 1,001 | 2,323 | 1,006 | 2,414 |
Interest income recognized | 15 | 28 | 28 | 59 |
First Mortgage Loans [Member] |  |  |  |  |
Impaired loans, unpaid principal balance | 14,500 |  | 14,500 |  | 15,800
Consumer Portfolio Segment [Member] |  |  |  |  |
Impaired loans with no related allowance, recorded investment | 0 |  | 0 |  | 0
Impaired loans with no related allowance, unpaid principal balance | 0 |  | 0 |  | 0
Impaired loans with a related allowance, recorded investment | 0 |  | 0 |  | 0
Impaired loans with a related allowance, unpaid principal balance | 0 |  | 0 |  | 0
Impaired loans, related allowance | 0 |  | 0 |  | 0
Average recorded investment, with no related allowance recorded | 0 | 0 | 0 | 0 |
Interest income recognized, with no related allowance recorded | 0 | 0 | 0 | 0 |
Average recorded investment, with a related allowance recorded | 0 | 0 | 0 | 0 |
Interest income recognized, with a related allowance recorded | 0 | 0 | 0 | 0 |
One To Four Family Residential [Member] | First Mortgage Loans [Member] |  |  |  |  |
Impaired loans with no related allowance, recorded investment | 322 |  | 322 |  | 355
Impaired loans with no related allowance, unpaid principal balance | 525 |  | 525 |  | 595
Impaired loans with a related allowance, recorded investment | 673 |  | 673 |  | 781
Impaired loans with a related allowance, unpaid principal balance | 680 |  | 680 |  | 797
Impaired loans, related allowance | 104 |  | 104 |  | 118
Average recorded investment, with no related allowance recorded | 324 | 1,339 | 326 | 1,424 |
Interest income recognized, with no related allowance recorded | 7 | 18 | 13 | 37 |
Average recorded investment, with a related allowance recorded | 677 | 984 | 680 | 990 |
Interest income recognized, with a related allowance recorded | 8 | 10 | 15 | 22 |
Multifamily [Member] | First Mortgage Loans [Member] |  |  |  |  |
Impaired loans with no related allowance, recorded investment | 0 |  | 0 |  | 0
Impaired loans with no related allowance, unpaid principal balance | 0 |  | 0 |  | 0
Impaired loans with a related allowance, recorded investment | 0 |  | 0 |  | 0
Impaired loans with a related allowance, unpaid principal balance | 0 |  | 0 |  | 0
Impaired loans, related allowance | 0 |  | 0 |  | 0
Average recorded investment, with no related allowance recorded | 0 | 0 | 0 | 0 |
Interest income recognized, with no related allowance recorded | 0 | 0 | 0 | 0 |
Average recorded investment, with a related allowance recorded | 0 | 0 | 0 | 0 |
Interest income recognized, with a related allowance recorded | 0 | 0 | 0 | 0 |
Commercial Real Estate [Member] | First Mortgage Loans [Member] |  |  |  |  |
Impaired loans with no related allowance, recorded investment | 0 |  | 0 |  | 0
Impaired loans with no related allowance, unpaid principal balance | 0 |  | 0 |  | 0
Impaired loans with a related allowance, recorded investment | 0 |  | 0 |  | 0
Impaired loans with a related allowance, unpaid principal balance | 0 |  | 0 |  | 0
Impaired loans, related allowance | 0 |  | 0 |  | $ 0
Average recorded investment, with no related allowance recorded | 0 | 0 | 0 | 0 |
Interest income recognized, with no related allowance recorded | 0 | 0 | 0 | 0 |
Average recorded investment, with a related allowance recorded | 0 | 0 | 0 | 0 |
Interest income recognized, with a related allowance recorded | $ 0 | $ 0 | $ 0 | $ 0 |

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