Note 8 - Federal Home Loan Bank Advances (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2024	Jun. 30, 2023
Prepayment Penalty for Advances Received, Percentage of Lost Cash Flow	100.00%
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds	$ 99,814
First Mortgage Loans [Member]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	$ 182,257	$ 169,993

Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13)(3)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478878/942-470-45-1

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant