Note 8 - Loans Receivable, Net and Allowance for Credit Losses - Changes in the Allowance for Loan Losses and Recorded Investment in Loans Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Allowance for loan losses, balance	$ 6,476	$ 6,758
Charge-offs	(1,607)	(1,798)
Recoveries	100	10
Provision	1,197	1,506
Allowance for loan losses, balance	6,166	6,476
Commercial and Consumer Portfolio Segments [Member]
Allowance for loan losses, balance	3,130	2,538
Charge-offs	(1,566)	(1,611)
Recoveries	100	10
Provision	746	2,193
Allowance for loan losses, balance	2,410	3,130
One-to-four Family Residential Owner Occupied Loans [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, balance	177	153
Charge-offs	0	0
Recoveries	0	0
Provision	122	24
Allowance for loan losses, balance	299	177
One-to-four Family Residential Non-owner Occupied Loans [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, balance	178	219
Charge-offs	0	0
Recoveries	0	0
Provision	(29)	(41)
Allowance for loan losses, balance	149	178
Multi-family (Five Or More) Residential Loans [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, balance	442	420
Charge-offs	0	0
Recoveries	0	0
Provision	(144)	22
Allowance for loan losses, balance	298	442
Commercial Real Estate and Lines of Credit [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, balance	2,337	2,784
Charge-offs	(41)	0
Recoveries	0	0
Provision	126	(447)
Allowance for loan losses, balance	2,422	2,337
Construction Loans [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, balance	156	583
Charge-offs	0	(187)
Recoveries	0	0
Provision	384	(240)
Allowance for loan losses, balance	540	156
Home Equity Loan [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, balance	56	61
Charge-offs	0	0
Recoveries	0	0
Provision	(8)	(5)
Allowance for loan losses, balance	$ 48	$ 56

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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- Definition

Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

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