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Note 4 - Loans Receivable - Recorded Investment in Nonaccrual Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Recorded investment | $ 20,814 | $ 21,331
Loans past due over 90 days, still accruing | 0 | 1,007
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] |  |
Recorded investment | 39 | 37
Loans past due over 90 days, still accruing | 0 | 0
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] |  |
Recorded investment | 380 |
Loans past due over 90 days, still accruing | 0 |
Commercial Portfolio Segment [Member] |  |
Recorded investment | 20,395 | 21,294
Loans past due over 90 days, still accruing | $ 0 | $ 1,007

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