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Note 4 - Loans Receivable - Loans Individually Evaluated for Impairment By Class (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Loan balance, with no allowance recorded | $ 9,178 | $ 2,831
Recorded investment, with no allowance recorded | 9,085 | 2,712
Partial charge-off, with no allowance recorded | 50 | 49
One-to-four family residential real estate | 3,841 | 2,178
Interest income recognized, with no allowance recorded | 2 | 103
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member] |  |
Loan balance, with no allowance recorded | 87 | 752
Recorded investment, with no allowance recorded | 89 | 752
Partial charge-off, with no allowance recorded | 0 | 0
One-to-four family residential real estate | 78 | 1,143
Interest income recognized, with no allowance recorded | 2 | 29
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] |  |
Loan balance, with no allowance recorded | 133 | 473
Recorded investment, with no allowance recorded | 148 | 473
Partial charge-off, with no allowance recorded | 0 | 0
One-to-four family residential real estate | 49 | 590
Interest income recognized, with no allowance recorded | 0 | 27
Real Estate Portfolio [Member] | Commercial leases [Member] |  |
Loan balance, with no allowance recorded | 8,958 |
Recorded investment, with no allowance recorded | 8,848 |
Partial charge-off, with no allowance recorded | 50 |
One-to-four family residential real estate | 3,714 |
Interest income recognized, with no allowance recorded | $ 0 |
Commercial Portfolio Segment [Member] |  |
Loan balance, with no allowance recorded |  | 1,606
Recorded investment, with no allowance recorded |  | 1,487
Partial charge-off, with no allowance recorded |  | 49
One-to-four family residential real estate |  | 445
Interest income recognized, with no allowance recorded |  | $ 47

X
- Definition Amount of partial charge offs for impaired financing receivables for which there is no related allowance for credit losses + References No definition available. + Details
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X
- Definition Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-15 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-17 + Details
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- Definition Amount of interest income, recognized on cash basis, on financing receivables, for which there is no related allowance for credit losses and are recognized as impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-15 + Details
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- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-14A + Details
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- Definition Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-15 + Details
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