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Note 4 - Loans Receivable - Activity in the Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Beginning balance | $ 8,129 | $ 6,715
Provision for credit losses - loans | 395 | 1,828
Loans charged off | (2,229) | (485)
Recoveries | 143 | 71
Total ending allowance balance | 8,345 | 8,129
Accounting Standards Update 2016-13 [Member] |  |
Beginning balance | 8,129 |
Total ending allowance balance |  | 8,129
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |
Beginning balance | 1,907 |
Total ending allowance balance |  | 1,907
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |
Beginning balance | 10,036 |
Total ending allowance balance |  | 10,036
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] |  |
Beginning balance | 281 | 331
Provision for credit losses - loans | (129) | 15
Loans charged off | (1) | (76)
Recoveries | 45 | 11
Total ending allowance balance | 295 | 281
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] | Accounting Standards Update 2016-13 [Member] |  |
Beginning balance | 281 |
Total ending allowance balance |  | 281
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |
Beginning balance | 99 |
Total ending allowance balance |  | 99
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |
Beginning balance | 380 |
Total ending allowance balance |  | 380
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] |  |
Beginning balance | 4,017 | 3,377
Provision for credit losses - loans | (118) | 620
Loans charged off | 0 | 0
Recoveries | 20 | 20
Total ending allowance balance | 4,549 | 4,017
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Accounting Standards Update 2016-13 [Member] |  |
Beginning balance | 4,017 |
Total ending allowance balance |  | 4,017
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |
Beginning balance | 630 |
Total ending allowance balance |  | 630
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |
Beginning balance | 4,647 |
Total ending allowance balance |  | 4,647
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] |  |
Beginning balance | 1,234 | 1,311
Provision for credit losses - loans | (134) | 111
Loans charged off | 0 | (192)
Recoveries | 0 | 4
Total ending allowance balance | 1,166 | 1,234
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Accounting Standards Update 2016-13 [Member] |  |
Beginning balance | 1,234 |
Total ending allowance balance |  | 1,234
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |
Beginning balance | 66 |
Total ending allowance balance |  | 66
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |
Beginning balance | 1,300 |
Total ending allowance balance |  | 1,300
Commercial Portfolio Segment [Member] |  |
Beginning balance | 2,548 | 1,652
Provision for credit losses - loans | 732 | 1,032
Loans charged off | (2,176) | (156)
Recoveries | 77 | 20
Total ending allowance balance | 2,303 | 2,548
Commercial Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] |  |
Beginning balance | 2,548 |
Total ending allowance balance |  | 2,548
Commercial Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |
Beginning balance | 1,122 |
Total ending allowance balance |  | 1,122
Commercial Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |
Beginning balance | 3,670 |
Total ending allowance balance |  | 3,670
Consumer Portfolio Segment [Member] |  |
Beginning balance | 49 | 44
Provision for credit losses - loans | 44 | 50
Loans charged off | (52) | (61)
Recoveries | 1 | 16
Total ending allowance balance | 32 | 49
Consumer Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] |  |
Beginning balance | 49 |
Total ending allowance balance |  | 49
Consumer Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |
Beginning balance | (10) |
Total ending allowance balance |  | (10)
Consumer Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |
Beginning balance | $ 39 |
Total ending allowance balance |  | $ 39

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