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Note 3 - Loans Receivable - Activity in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Balance	$ 17,905	$ 18,549	$ 18,247	$ 18,549
Provision (credit) for credit losses - loans	(115)	(143)	(469)	(146)
Charge-offs	(4)	(4)	(25)	(15)
Recoveries	14	12	47	26
Balance	17,800	18,414	17,800	18,414
Residential Portfolio Segment [Member] | One to Four Family [Member]
Balance	4,979	6,609	5,286	6,886
Provision (credit) for credit losses - loans	126	(778)	(213)	(1,062)
Charge-offs	0	0	0	(3)
Recoveries	5	7	37	17
Balance	5,110	5,838	5,110	5,838
Residential Portfolio Segment [Member] | Multifamily [Member]
Balance	6,938	7,367	7,079	7,318
Provision (credit) for credit losses - loans	(283)	(94)	(424)	(47)
Charge-offs	0	0	0	0
Recoveries	0	3	0	5
Balance	6,655	7,276	6,655	7,276
Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Balance	193	229	212	211
Provision (credit) for credit losses - loans	4	44	(15)	62
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance	197	273	197	273
Construction and Land Portfolio Segment [Member]
Balance	1,042	1,111	1,205	983
Provision (credit) for credit losses - loans	138	116	(26)	243
Charge-offs	0	0	0	0
Recoveries	1	1	2	2
Balance	1,181	1,228	1,181	1,228
Commercial Real Estate Portfolio Segment [Member]
Balance	4,173	2,610	3,920	2,561
Provision (credit) for credit losses - loans	14	616	267	664
Charge-offs	0	0	0	0
Recoveries	0	1	0	2
Balance	4,187	3,227	4,187	3,227
Consumer Portfolio Segment [Member]
Balance	77	55	79	56
Provision (credit) for credit losses - loans	(4)	13	15	20
Charge-offs	(4)	(4)	(25)	(12)
Recoveries	8	0	8	0
Balance	77	64	77	64
Commercial Portfolio Segment [Member]
Balance	503	568	466	534
Provision (credit) for credit losses - loans	(110)	(60)	(73)	(26)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance	$ 393	$ 508	$ 393	$ 508

X

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

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- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

+ References

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Amount of credit loss expense (reversal of expense) for financing receivable.

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