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Note 3 - Loans and Allowance for Loan Losses - Aging of Bank's Loan Portfolio (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Loans | $ 95,292 | $ 96,501
Non-accrual | 40 | 102
First Mortgage Loans [Member] |  |
Loans | 95,113 | 96,129
First Mortgage Loans [Member] | One To Four Family Residential [Member] |  |
Loans | 87,586 | 88,028
Non-accrual | 40 | 102
First Mortgage Loans [Member] | Multifamily [Member] |  |
Loans | 3,399 | 3,497
Non-accrual | 0 | 0
First Mortgage Loans [Member] | Commercial Real Estate [Member] |  |
Loans | 4,128 | 4,604
Non-accrual | 0 | 0
Consumer Portfolio Segment [Member] |  |
Loans | 179 | 372
Non-accrual | 0 | 0
Financial Asset, 31 to 89 Days Past Due [Member] |  |
Loans | 13 | 0
Financial Asset, 31 to 89 Days Past Due [Member] | First Mortgage Loans [Member] | One To Four Family Residential [Member] |  |
Loans | 13 | 0
Financial Asset, 31 to 89 Days Past Due [Member] | First Mortgage Loans [Member] | Multifamily [Member] |  |
Loans | 0 | 0
Financial Asset, 31 to 89 Days Past Due [Member] | First Mortgage Loans [Member] | Commercial Real Estate [Member] |  |
Loans | 0 | 0
Financial Asset, 31 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] |  |
Loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loans | 123 | 41
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | First Mortgage Loans [Member] | One To Four Family Residential [Member] |  |
Loans | 123 | 41
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | First Mortgage Loans [Member] | Multifamily [Member] |  |
Loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | First Mortgage Loans [Member] | Commercial Real Estate [Member] |  |
Loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] |  |
Loans | 0 | 0
Financial Asset, Past Due [Member] |  |
Loans | 176 | 143
Financial Asset, Past Due [Member] | First Mortgage Loans [Member] | One To Four Family Residential [Member] |  |
Loans | 176 | 143
Financial Asset, Past Due [Member] | First Mortgage Loans [Member] | Multifamily [Member] |  |
Loans | 0 | 0
Financial Asset, Past Due [Member] | First Mortgage Loans [Member] | Commercial Real Estate [Member] |  |
Loans | 0 | 0
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] |  |
Loans | 0 | 0
Financial Asset, Not Past Due [Member] |  |
Loans | 95,116 | 96,358
Financial Asset, Not Past Due [Member] | First Mortgage Loans [Member] | One To Four Family Residential [Member] |  |
Loans | 87,410 | 87,885
Financial Asset, Not Past Due [Member] | First Mortgage Loans [Member] | Multifamily [Member] |  |
Loans | 3,399 | 3,497
Financial Asset, Not Past Due [Member] | First Mortgage Loans [Member] | Commercial Real Estate [Member] |  |
Loans | 4,128 | 4,604
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] |  |
Loans | $ 179 | $ 372

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- Definition Amount, before allowance and fees, of loans and leases receivable. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
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