Note 8 - Loans Receivable, Net and Allowance for Credit Losses - Composition of Net Loans Receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Loans	$ 546,200	$ 541,565
Deferred loan (fees) and costs	664	(396)
Allowance for credit losses, net	(6,166)	(6,476)	$ (6,758)
Net Loans	540,698	534,693
Real Estate Portfolio Segment [Member]
Loans	449,849	426,598
Real Estate Portfolio Segment [Member] \| One-to-four Family Residential Owner Occupied Loans [Member]
Loans	41,627	25,927
Allowance for credit losses, net	(299)	(177)	(153)
Real Estate Portfolio Segment [Member] \| One-to-four Family Residential Non-owner Occupied Loans [Member]
Loans	28,870	33,573
Allowance for credit losses, net	(149)	(178)	(219)
Real Estate Portfolio Segment [Member] \| One-to-four Family Residential Loans [Member]
Loans	70,497	59,500
Real Estate Portfolio Segment [Member] \| Multi-family (Five Or More) Residential Loans [Member]
Loans	40,772	45,412
Allowance for credit losses, net	(298)	(442)	(420)
Real Estate Portfolio Segment [Member] \| Commercial Real Estate Loans [Member]
Loans	309,745	297,627
Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans	23,461	18,320
Allowance for credit losses, net	(540)	(156)	(583)
Real Estate Portfolio Segment [Member] \| Home Equity Loan [Member]
Loans	5,374	5,739
Allowance for credit losses, net	(48)	(56)	$ (61)
Commercial Portfolio Segment [Member]
Loans	96,318	114,921
Consumer Portfolio Segment [Member]
Loans	$ 33	$ 46

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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+ References

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481598/310-20-45-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-4

Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-SubTopic 20
-Topic 310
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481569/310-20-50-3

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