Note 9 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
|
| Receivables, Unamortized Issuance Costs | $ 159 | $ 152 |
| Construction and Commercial Real Estate [Member] | ||
| Financing Receivable, before Allowance for Credit Loss, to Total, Percent | 50.00% | 49.00% |
| Construction Portfolio Segment [Member] | ||
| Financing Receivable, before Allowance for Credit Loss, to Total, Percent | 9.00% | 9.00% |
| Commercial Real Estate Portfolio Segment [Member] | ||
| Financing Receivable, before Allowance for Credit Loss, to Total, Percent | 41.00% | 40.00% |
| Commitments to Make Loans [Member] | ||
| Guarantor Obligation, Term (Year) | 10 years | |
| Fixed Rate Loan Commitments [Member] | Minimum [Member] | ||
| Guarantor Obligation, Term (Year) | 1 year | |
| Guarantor Obligations, Interest Rate | 0.00% | |
| Fixed Rate Loan Commitments [Member] | Maximum [Member] | ||
| Guarantor Obligation, Term (Year) | 23 years | |
| Guarantor Obligations, Interest Rate | 15.00% |