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Note 4 - Loans Receivable - Activity in the Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Beginning Balance | $ 9,116 | $ 8,142 | $ 7,571 | $ 8,345 | $ 8,345
Provision for (recovery of) credit losses | (210) | 472 | 1,790 | 435 |
Loans charged off | (102) | (743) | (582) | (936) |
Recoveries | 10 | 28 | 35 | 55 |
Ending balance | 8,814 | 7,899 | 8,814 | 7,899 | 7,571
Commercial Portfolio Segment [Member] |  |  |  |  |
Beginning Balance |  |  | 1,146 |  |
Loans charged off |  |  | (259) |  | (5,867)
Recoveries |  |  | 17 |  | 14
Ending balance | 2,789 |  | 2,789 |  | 1,146
Consumer Portfolio Segment [Member] |  |  |  |  |
Beginning Balance | 44 |  | 48 |  |
Loans charged off |  |  | (26) |  | (44)
Recoveries |  |  | 2 |  | 1
Ending balance | 40 |  | 40 |  | 48
Home Equity and Junior Liens [Member] | Real Estate Portfolio [Member] |  |  |  |  |
Beginning Balance | 47 | 61 | 54 | 75 | 75
Provision for (recovery of) credit losses | (2) | (5) | (9) | (19) |
Loans charged off | 0 | 0 | 0 | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Ending balance | 45 | 56 | 45 | 56 | 54
One to Four Family First Liens [Member] | Real Estate Portfolio [Member] |  |  |  |  |
Beginning Balance | 193 | 263 | 217 | 220 | 220
Provision for (recovery of) credit losses | (15) | (47) | (44) | (9) |
Loans charged off | 0 | 0 | 0 | 0 |
Recoveries | 3 | 22 | 8 | 27 |
Ending balance | 181 | 238 | 181 | 238 | 217
Multi Family Residential Real Estate, Senior Notes [Member] | Real Estate Portfolio [Member] |  |  |  |  |
Beginning Balance | 4,295 | 4,402 | 4,320 | 4,178 | 4,178
Provision for (recovery of) credit losses | (99) | (54) | 27 | 160 |
Loans charged off | 0 | 0 | (156) | 0 |
Recoveries | 3 | 6 | 8 | 16 |
Ending balance | 4,199 | 4,354 | 4,199 | 4,354 | 4,320
Multi Family Residential Real Estate, Junior Notes [Member] | Real Estate Portfolio [Member] |  |  |  |  |
Beginning Balance | 432 | 441 | 444 | 371 | 371
Provision for (recovery of) credit losses | (25) | 10 | 104 | 80 |
Loans charged off | 0 | 0 | (141) | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Ending balance | 407 | 451 | 407 | 451 | 444
Owner Occupied Nonresidential Real Estate [Member] | Real Estate Portfolio [Member] |  |  |  |  |
Beginning Balance | 181 | 173 | 180 | 144 | 144
Provision for (recovery of) credit losses | (12) | 23 | (11) | 52 |
Loans charged off | 0 | 0 | 0 | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Ending balance | 169 | 196 | 169 | 196 | 180
Non-Owner Occupied Nonresidential Real Estate [Member] | Real Estate Portfolio [Member] |  |  |  |  |
Beginning Balance | 1,052 | 1,224 | 1,162 | 1,022 | 1,022
Provision for (recovery of) credit losses | (68) | (5) | (178) | 197 |
Loans charged off | 0 | 0 | 0 | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Ending balance | 984 | 1,219 | 984 | 1,219 | 1,162
Commercial Loans and Leases [Member] | Real Estate Portfolio [Member] |  |  |  |  |
Provision for (recovery of) credit losses | 14 |  | (117) |  |
Loans charged off | (90) |  | (259) |  |
Recoveries | 4 |  | 17 |  |
Ending balance | 585 |  | 585 |  |
Commercial Loans and Leases [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |
Beginning Balance | 657 | 1,267 | 944 | 1,964 | 1,964
Provision for (recovery of) credit losses |  | 209 |  | (332) |
Loans charged off |  | (364) |  | (532) |
Recoveries |  | 0 |  | 12 |
Ending balance |  | 1,112 |  | 1,112 | 944
Commercial Loans and Leases, Equipment Finance, Government [Member] | Real Estate Portfolio [Member] |  |  |  |  |
Provision for (recovery of) credit losses | (9) |  | 2,038 |  |
Loans charged off | 0 |  | 0 |  |
Recoveries | 0 |  | 0 |  |
Ending balance | 2,098 |  | 2,098 |  |
Commercial Loans and Leases, Equipment Finance, Government [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |
Beginning Balance | 2,107 | 97 | 60 | 148 | 148
Provision for (recovery of) credit losses |  | 342 |  | 291 |
Loans charged off |  | (367) |  | (367) |
Recoveries |  | 0 |  | 0 |
Ending balance |  | 72 |  | 72 | 60
Commercial Loans and Leases, Equipment Finance, Corporate Investment Grade [Member] | Real Estate Portfolio [Member] |  |  |  |  |
Provision for (recovery of) credit losses | (2) |  | (36) |  |
Loans charged off | 0 |  | 0 |  |
Recoveries | 0 |  | 0 |  |
Ending balance | 106 |  | 106 |  |
Commercial Loans and Leases, Equipment Finance, Corporate Investment Grade [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |
Beginning Balance | 108 | 160 | 142 | 191 | 191
Provision for (recovery of) credit losses |  | (15) |  | (46) |
Loans charged off |  | 0 |  | 0 |
Recoveries |  | 0 |  | 0 |
Ending balance |  | 145 |  | 145 | 142
Consumer [Member] | Real Estate Portfolio [Member] |  |  |  |  |
Beginning Balance |  | 54 |  | 32 | $ 32
Provision for (recovery of) credit losses | 8 | 14 | 16 | 61 |
Loans charged off | (12) | (12) | (26) | (37) |
Recoveries | 0 | 0 | 2 | 0 |
Ending balance | $ 40 | $ 56 | $ 40 | $ 56 |

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