Note 3 - Loans and Allowance for Credit Losses - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Balance	$ 7,930	$ 7,724
Provision for expected credit losses	1,137	556
Charge-offs	(799)	(566)
Recoveries	202	164
Balance	8,470	7,930
Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		52
Commercial & Industrial [Member]
Balance	1,144	1,308
Provision for expected credit losses	357	297
Charge-offs	(253)	(6)
Recoveries	1	0
Balance	1,249	1,144
Commercial & Industrial [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		(455)
Commercial Real Estate Portfolio Segment [Member]
Balance	3,650	3,943
Provision for expected credit losses	(204)	(240)
Charge-offs	0	0
Recoveries	0	0
Balance	3,446	3,650
Commercial Real Estate Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		(53)
Farmland [Member]
Balance	89	0
Provision for expected credit losses	29	(4)
Charge-offs	0	0
Recoveries	0	0
Balance	118	89
Farmland [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		93
Land Development [Member]
Balance	174	0
Provision for expected credit losses	92	(224)
Charge-offs	0	0
Recoveries	0	0
Balance	266	174
Land Development [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		398
Residential Portfolio Segment [Member]
Balance	2,018	1,571
Provision for expected credit losses	(10)	277
Charge-offs	0	0
Recoveries	2	4
Balance	2,010	2,018
Residential Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		166
Consumer Portfolio Segment [Member]
Balance	855	902
Provision for expected credit losses	873	450
Charge-offs	(546)	(560)
Recoveries	199	160
Balance	$ 1,381	855
Consumer Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		$ (97)

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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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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+ 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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+ 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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