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Note 4 - Loans Receivable - Recorded Investment in Nonaccrual Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Recorded investment	$ 21,331	$ 1,407
Loans past due over 90 days, still accruing	1,007	238
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate [Member]
Recorded investment	37	92
Loans past due over 90 days, still accruing	0	0
Commercial Portfolio Segment [Member]
Recorded investment	21,294	1,310
Loans past due over 90 days, still accruing	1,007	238
Consumer Portfolio Segment [Member]
Recorded investment	$ 0	5
Loans past due over 90 days, still accruing		$ 0

X

- Definition

Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 80
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479294/326-20-55-80

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-7

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X

- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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