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Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) shares | Dec. 31, 2022 USD ($)
Number Of Limited Partnerships In Housing Investments | 11 |
Percentage of Subsidiaries Common Securities Owned by Parent Company | 100.00% |
Gross Loans Comprised of Commercial Mortgage Loans Percentage | 49.80% |
Residential Mortgages Properties Percentage | 29.90% |
Gross Loans Comprised of Commercial Loans Percentage | 16.90% |
Federal Home Loan Bank Stock | $ | $ 17,746 | $ 17,250
Federal Home Loan Bank Stock Shares (in shares) | shares | 177,458 |
Minimum Stock Requirement on Outstanding Federal Home Loan Bank Borrowings Shares (in shares) | shares | 150,000 |
Variable Interest Entity, Primary Beneficiary, Number of Entities | 10 |
Goodwill, Impairment Loss | $ | $ 0 | $ 0
Number of Reportable Segments | 1 |
California [Member] |  |
Residential Mortgages Properties Percentage | 50.50% |

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- Definition This represents the Federal Home Loan Bank (FHLB) shares owned by the Company as of the balance sheet date. FHLB stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References No definition available. + Details
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