Note 3 - Loans Receivable - Allowance for Loan Losses Activity (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Balances | $ 17,370 | ||||
| Balances | $ 17,640 | 17,640 | $ 17,370 | ||
| Residential Portfolio Segment [Member] | |||||
| Balances | 1,973 | $ 1,904 | 1,965 | $ 1,911 | 1,911 |
| Charge-offs | 0 | 0 | 0 | 0 | |
| Recoveries | 0 | 0 | 0 | 0 | |
| (Recapture) provision | (215) | 101 | (207) | 94 | |
| Balances | 1,758 | 2,005 | 1,758 | 2,005 | 1,965 |
| Commercial Real Estate Portfolio Segment [Member] | |||||
| Balances | 11,363 | 10,830 | 11,295 | 10,907 | 10,907 |
| Charge-offs | 0 | 0 | 0 | 0 | |
| Recoveries | 5 | 3 | 9 | 5 | |
| (Recapture) provision | 252 | 589 | 316 | 510 | |
| Balances | 11,620 | 11,422 | 11,620 | 11,422 | 11,295 |
| Home Equity Portfolio Segment [Member] | |||||
| Balances | 551 | 551 | 547 | 553 | 553 |
| Charge-offs | 0 | (27) | 0 | (27) | (27) |
| Recoveries | 0 | 0 | 0 | 0 | |
| (Recapture) provision | 12 | 15 | 16 | 13 | |
| Balances | 563 | 539 | 563 | 539 | 547 |
| Consumer Portfolio Segment [Member] | |||||
| Balances | 45 | 239 | 84 | 245 | 245 |
| Charge-offs | (98) | (24) | (138) | (30) | (175) |
| Recoveries | 1 | 0 | 1 | 1 | |
| (Recapture) provision | 247 | 7 | 248 | 6 | |
| Balances | 195 | 222 | 195 | 222 | 84 |
| Commercial Portfolio Segment [Member] | |||||
| Balances | 3,498 | 3,196 | 3,479 | 3,234 | 3,234 |
| Charge-offs | (103) | 0 | (117) | 0 | |
| Recoveries | 2 | 0 | 3 | 1 | |
| (Recapture) provision | 107 | 346 | 139 | 307 | |
| Balances | 3,504 | 3,542 | 3,504 | 3,542 | 3,479 |
| Loans Excluding Unfunded Commitments [Member] | |||||
| Balances | 17,430 | 16,720 | 17,370 | 16,850 | 16,850 |
| Charge-offs | (201) | (51) | (255) | (57) | |
| Recoveries | 8 | 3 | 13 | 7 | |
| (Recapture) provision | 403 | 1,058 | 512 | 930 | |
| Balances | $ 17,640 | $ 17,730 | $ 17,640 | $ 17,730 | $ 17,370 |