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Note 4 - Loans Receivable - Recorded Investment in Nonaccrual Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Recorded investment | $ 21,331 | $ 1,407
Loans past due over 90 days, still accruing | 1,007 | 238
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] |  |
Recorded investment | 37 | 92
Loans past due over 90 days, still accruing | 0 | 0
Commercial Portfolio Segment [Member] |  |
Recorded investment | 21,294 | 1,310
Loans past due over 90 days, still accruing | 1,007 | 238
Consumer Portfolio Segment [Member] |  |
Recorded investment | $ 0 | 5
Loans past due over 90 days, still accruing |  | $ 0

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