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Note 4 - Loans Receivable - Recorded Investment in Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Recorded investment | $ 9,242 | $ 16,934
Loans past due over 90 days, still accruing | 2,244 | 0
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] |  |
Recorded investment | 12 | 126
Loans past due over 90 days, still accruing | 0 | 0
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] |  |
Recorded investment | 0 | 393
Loans past due over 90 days, still accruing | 408 | 0
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] |  |
Recorded investment |  | 1,453
Loans past due over 90 days, still accruing |  | 0
Commercial Portfolio Segment [Member] |  |
Recorded investment | 9,230 | 14,960
Loans past due over 90 days, still accruing | 1,835 | 0
Consumer Portfolio Segment [Member] |  |
Recorded investment | 0 | 2
Loans past due over 90 days, still accruing | $ 1 | $ 0

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- Definition Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
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- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
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