Note 4 - Fair Value - Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024
Held-to-maturity, fair value	$ 5,625	$ 5,530
Fair Value, Inputs, Level 1 [Member] \| Reported Value Measurement [Member]
Cash and cash equivalents	26,925	17,723
Fair Value, Inputs, Level 1 [Member] \| Estimate of Fair Value Measurement [Member]
Cash and cash equivalents	26,925	17,723
Fair Value, Inputs, Level 2 [Member] \| Reported Value Measurement [Member]
Loans held for sale	2,240	908
Accrued interest receivable	3,382	3,560
Short-term borrowings	27,101	30,007
Federal Home Loan Bank advances	8,087	13,709
Accrued interest payable	1,033	915
Fair Value, Inputs, Level 2 [Member] \| Reported Value Measurement [Member] \| Demand and Savings Deposits [Member]
Demand and savings deposits	735,274	718,653
Fair Value, Inputs, Level 2 [Member] \| Reported Value Measurement [Member] \| Time Deposits [Member]
Demand and savings deposits	263,618	254,327
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member]
Loans held for sale	2,277	920
Accrued interest receivable	3,382	3,560
Short-term borrowings	27,101	30,007
Federal Home Loan Bank advances	7,379	12,672
Accrued interest payable	1,033	915
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member] \| Demand and Savings Deposits [Member]
Demand and savings deposits	735,274	718,653
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member] \| Time Deposits [Member]
Demand and savings deposits	263,095	253,458
Fair Value, Inputs, Level 3 [Member] \| Reported Value Measurement [Member]
Held-to-maturity, fair value	5,948	6,054
Loans, net	758,525	751,184
Fair Value, Inputs, Level 3 [Member] \| Estimate of Fair Value Measurement [Member]
Held-to-maturity, fair value	5,625	5,530
Loans, net	$ 732,187	$ 714,205

Fair value portion of accrued interest receivable.

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- Definition

Fair value portion of accrued expenses.

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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- Definition

Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

+ References

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- Definition

Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

+ References

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- Definition

Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

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