Note 7 - Commitments and Contingencies (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure | $ 165,956,000 | $ 156,384,000 | |||
| Commitments to Extend Credit [Member] | |||||
| Off-Balance-Sheet, Credit Loss, Liability | $ 659,000 | 659,000 | 634,000 | ||
| Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) | $ 41,000 | $ (67,000) | 25,000 | $ 1,000 | |
| Standby Letters of Credit [Member] | Maximum [Member] | |||||
| Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure | $ 50,000 | $ 50,000 | |||