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Note 4 - Loans Receivable - Aging of the Recorded Investment of Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Loans receivable | $ 1,059,106 | $ 1,234,872
Loans receivable, nonaccrual | 21,331 | 1,407
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] |  |
Loans receivable | 18,945 | 23,133
Loans receivable, nonaccrual | 37 | 92
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] |  |
Loans receivable | 527,460 | 537,394
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Senior Mortgage Notes [Member] |  |
Loans receivable | 485,281 | 494,988
Loans receivable, nonaccrual | 0 | 0
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Junior Mortgage Notes [Member] |  |
Loans receivable | 42,179 | 42,406
Loans receivable, nonaccrual | 0 | 0
Real Estate Portfolio [Member] | Nonresidential Real Estate, Owner Occupied [Member] |  |
Loans receivable | 20,901 | 22,617
Loans receivable, nonaccrual | 0 | 0
Real Estate Portfolio [Member] | Nonresidential Real Estate, Non-owner Occupied [Member] |  |
Loans receivable | 97,115 | 97,088
Loans receivable, nonaccrual | 0 | 0
Commercial Loans and Leases [Member] | Commercial Loans [Member] |  |
Loans receivable | 211,981 | 283,453
Loans receivable, nonaccrual | 2,285 | 1,310
Commercial Loans and Leases [Member] | Equipment Finance Leases, Government [Member] |  |
Loans receivable | 132,265 | 211,583
Loans receivable, nonaccrual | 18,956 | 0
Commercial Loans and Leases [Member] | Equipment Finance Leases, Investment-rated [Member] |  |
Loans receivable | 49,075 | 58,020
Loans receivable, nonaccrual | 53 | 0
Consumer Portfolio Segment [Member] |  |
Loans receivable | 1,364 | 1,584
Loans receivable, nonaccrual | 0 | 5
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loans receivable | 3,408 | 4,912
Financial Asset, 30 to 59 Days Past Due [Member] | Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] |  |
Loans receivable | 12 | 411
Financial Asset, 30 to 59 Days Past Due [Member] | Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Senior Mortgage Notes [Member] |  |
Loans receivable | 0 | 31
Financial Asset, 30 to 59 Days Past Due [Member] | Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Junior Mortgage Notes [Member] |  |
Loans receivable | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Real Estate Portfolio [Member] | Nonresidential Real Estate, Owner Occupied [Member] |  |
Loans receivable | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Real Estate Portfolio [Member] | Nonresidential Real Estate, Non-owner Occupied [Member] |  |
Loans receivable | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Loans and Leases [Member] | Commercial Loans [Member] |  |
Loans receivable | 234 | 2,424
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Loans and Leases [Member] | Equipment Finance Leases, Government [Member] |  |
Loans receivable | 3,147 | 2,034
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Loans and Leases [Member] | Equipment Finance Leases, Investment-rated [Member] |  |
Loans receivable | 7 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] |  |
Loans receivable | 8 | 12
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loans receivable | 5,077 | 5,546
Financial Asset, 60 to 89 Days Past Due [Member] | Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] |  |
Loans receivable | 18 | 19
Financial Asset, 60 to 89 Days Past Due [Member] | Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Senior Mortgage Notes [Member] |  |
Loans receivable | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Junior Mortgage Notes [Member] |  |
Loans receivable | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Real Estate Portfolio [Member] | Nonresidential Real Estate, Owner Occupied [Member] |  |
Loans receivable | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Real Estate Portfolio [Member] | Nonresidential Real Estate, Non-owner Occupied [Member] |  |
Loans receivable | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Loans and Leases [Member] | Commercial Loans [Member] |  |
Loans receivable | 26 | 336
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Loans and Leases [Member] | Equipment Finance Leases, Government [Member] |  |
Loans receivable | 5,028 | 5,106
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Loans and Leases [Member] | Equipment Finance Leases, Investment-rated [Member] |  |
Loans receivable | 0 | 81
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] |  |
Loans receivable | 5 | 4
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loans receivable | 1,007 | 238
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] |  |
Loans receivable | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Senior Mortgage Notes [Member] |  |
Loans receivable | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Junior Mortgage Notes [Member] |  |
Loans receivable | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Real Estate Portfolio [Member] | Nonresidential Real Estate, Owner Occupied [Member] |  |
Loans receivable | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Real Estate Portfolio [Member] | Nonresidential Real Estate, Non-owner Occupied [Member] |  |
Loans receivable | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Loans and Leases [Member] | Commercial Loans [Member] |  |
Loans receivable | 666 | 111
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Loans and Leases [Member] | Equipment Finance Leases, Government [Member] |  |
Loans receivable | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Loans and Leases [Member] | Equipment Finance Leases, Investment-rated [Member] |  |
Loans receivable | 341 | 127
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] |  |
Loans receivable | 0 | 0
Financial Asset, Past Due [Member] |  |
Loans receivable | 9,492 | 10,696
Financial Asset, Past Due [Member] | Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] |  |
Loans receivable | 30 | 430
Financial Asset, Past Due [Member] | Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Senior Mortgage Notes [Member] |  |
Loans receivable | 0 | 31
Financial Asset, Past Due [Member] | Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Junior Mortgage Notes [Member] |  |
Loans receivable | 0 | 0
Financial Asset, Past Due [Member] | Real Estate Portfolio [Member] | Nonresidential Real Estate, Owner Occupied [Member] |  |
Loans receivable | 0 | 0
Financial Asset, Past Due [Member] | Real Estate Portfolio [Member] | Nonresidential Real Estate, Non-owner Occupied [Member] |  |
Loans receivable | 0 | 0
Financial Asset, Past Due [Member] | Commercial Loans and Leases [Member] | Commercial Loans [Member] |  |
Loans receivable | 926 | 2,871
Financial Asset, Past Due [Member] | Commercial Loans and Leases [Member] | Equipment Finance Leases, Government [Member] |  |
Loans receivable | 8,175 | 7,140
Financial Asset, Past Due [Member] | Commercial Loans and Leases [Member] | Equipment Finance Leases, Investment-rated [Member] |  |
Loans receivable | 348 | 208
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] |  |
Loans receivable | 13 | 16
Financial Asset, Not Past Due [Member] |  |
Loans receivable | 1,028,283 | 1,222,769
Financial Asset, Not Past Due [Member] | Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] |  |
Loans receivable | 18,878 | 22,611
Financial Asset, Not Past Due [Member] | Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Senior Mortgage Notes [Member] |  |
Loans receivable | 485,281 | 494,957
Financial Asset, Not Past Due [Member] | Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Junior Mortgage Notes [Member] |  |
Loans receivable | 42,179 | 42,406
Financial Asset, Not Past Due [Member] | Real Estate Portfolio [Member] | Nonresidential Real Estate, Owner Occupied [Member] |  |
Loans receivable | 20,901 | 22,617
Financial Asset, Not Past Due [Member] | Real Estate Portfolio [Member] | Nonresidential Real Estate, Non-owner Occupied [Member] |  |
Loans receivable | 97,115 | 97,088
Financial Asset, Not Past Due [Member] | Commercial Loans and Leases [Member] | Commercial Loans [Member] |  |
Loans receivable | 208,770 | 279,272
Financial Asset, Not Past Due [Member] | Commercial Loans and Leases [Member] | Equipment Finance Leases, Government [Member] |  |
Loans receivable | 105,134 | 204,443
Financial Asset, Not Past Due [Member] | Commercial Loans and Leases [Member] | Equipment Finance Leases, Investment-rated [Member] |  |
Loans receivable | 48,674 | 57,812
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] |  |
Loans receivable | $ 1,351 | $ 1,563

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