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Note 3 - Loans and Allowance for Loan Losses - Summary of Loans by Major Category (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | --- | --- | ---
Loans | $ 95,292 |  | $ 96,501 |  |  |
Net deferred loan costs | 855 |  | 812 |  |  |
Allowance for loan losses | (769) | $ (785) | (779) | $ (792) | $ (872) | $ (870)
Loans, net | 95,378 |  | 96,534 |  |  |
First Mortgage Loans [Member] |  |  |  |  |  |
Loans | 95,113 |  | 96,129 |  |  |
Consumer Portfolio Segment [Member] |  |  |  |  |  |
Loans | 179 |  | 372 |  |  |
Allowance for loan losses | (4) | (3) | (10) | (10) | (106) | (5)
One To Four Family Residential [Member] | First Mortgage Loans [Member] |  |  |  |  |  |
Loans | 87,586 |  | 88,028 |  |  |
Allowance for loan losses | (713) | (729) | (675) | (707) | (710) | (798)
Multifamily [Member] | First Mortgage Loans [Member] |  |  |  |  |  |
Loans | 3,399 |  | 3,497 |  |  |
Allowance for loan losses | (26) | (27) | (69) | (48) | (26) | (29)
Commercial Real Estate [Member] | First Mortgage Loans [Member] |  |  |  |  |  |
Loans | 4,128 |  | 4,604 |  |  |
Allowance for loan losses | $ (26) | $ (26) | $ (25) | $ (27) | $ (30) | $ (38)

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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI https://asc.fasb.org/extlink&oid=122038336&loc=d3e74567-122707 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI https://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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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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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + 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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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