Note 3 - Loans and Allowance for Credit Losses - Non-accrual Loans (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Nonaccrual, No Allowance	$ 744
Nonaccrual	902
Nonaccrual, Interest Income	2
Real Estate [Member]
Nonaccrual, No Allowance		$ 772
Other Pledged Collateral [Member]
Nonaccrual		930
Collateral Pledged [Member]
Nonaccrual, Interest Income		6
Commercial & Industrial [Member]
Nonaccrual, No Allowance	332	332
Nonaccrual	332	332
Nonaccrual, Interest Income	0	0
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Loans [Member]
Nonaccrual, No Allowance		0
Nonaccrual		0
Nonaccrual, Interest Income		6
Residential Portfolio Segment [Member]
Nonaccrual, No Allowance	412	440
Nonaccrual	570	598
Nonaccrual, Interest Income	$ 2	$ 0

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. 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 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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- Definition

Amount of interest income on financing receivable on nonaccrual status.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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