Note 4 - Loans Receivable - Recorded Investment in Nonaccrual Loans (Details) - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Recorded investment | $ 9,219 | $ 16,934 |
| Loans past due over 90 days, still accruing | 2,226 | 0 |
| Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] | ||
| Recorded investment | 13 | 126 |
| Loans past due over 90 days, still accruing | 0 | 0 |
| Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | ||
| Recorded investment | 1,453 | |
| Loans past due over 90 days, still accruing | 0 | |
| Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | ||
| Recorded investment | 393 | |
| Loans past due over 90 days, still accruing | 0 | |
| Commercial Portfolio Segment [Member] | ||
| Recorded investment | 9,206 | 14,960 |
| Loans past due over 90 days, still accruing | 2,225 | 0 |
| Consumer Portfolio Segment [Member] | ||
| Recorded investment | 0 | 2 |
| Loans past due over 90 days, still accruing | $ 1 | $ 0 |