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Note 3 - Loans Receivable - Allowance for Loan Losses Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025
Balances | $ 17,370 |  |
Balances | 17,430 |  | $ 17,370
Residential Portfolio Segment [Member] |  |  |
Balances | 1,965 | $ 1,911 | 1,911
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Provision | 8 | (7) |
Balances | 1,973 | 1,904 | 1,965
Commercial Real Estate Portfolio Segment [Member] |  |  |
Balances | 11,295 | 10,907 | 10,907
Charge-offs | 0 | 0 |
Recoveries | 4 | 2 |
Provision | 64 | (79) |
Balances | 11,363 | 10,830 | 11,295
Home Equity Portfolio Segment [Member] |  |  |
Balances | 547 | 553 | 553
Charge-offs | 0 | 0 | (27)
Recoveries | 0 | 0 |
Provision | 4 | (2) |
Balances | 551 | 551 | 547
Consumer Portfolio Segment [Member] |  |  |
Balances | 84 | 245 | 245
Charge-offs | (40) | (6) | (175)
Recoveries | 0 | 1 |
Provision | 1 | (1) |
Balances | 45 | 239 | 84
Commercial Portfolio Segment [Member] |  |  |
Balances | 3,479 | 3,234 | 3,234
Charge-offs | (14) | 0 |
Recoveries | 1 | 1 |
Provision | 32 | (39) |
Balances | 3,498 | 3,196 | 3,479
Loans Excluding Unfunded Commitments [Member] |  |  |
Balances | 17,370 | 16,850 | 16,850
Charge-offs | (54) | (6) |
Recoveries | 5 | 4 |
Provision | 109 | (128) |
Balances | $ 17,430 | $ 16,720 | $ 17,370

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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