Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	12 Months Ended	24 Months Ended
Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)
Number of Reportable Segments	1
Cash Reserve Deposit Required and Made Federal Reserve Banks	$ 0	$ 0	$ 0
Interest and Fee Income, Loans and Leases, Total	28,207	24,887
Bank Owned Life Insurance	19,128	19,107	19,107
Cash Surrender Value of Life Insurance	$ 9,959	9,702	9,702
Software and Software Development Costs [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Building [Member]
Property, Plant and Equipment, Useful Life (Year)	39 years 6 months
SBA CARES Act Paycheck Protection Program [Member]
Proceeds from Loan Originations			$ 113,367
Interest and Fee Income, Loans and Leases, Total	$ 2,435	$ 1,911
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums	$ 12

Cash reserve deposit required and made with Federal Reserve Banks pursuant to Federal Reserve Board regulations.

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- Definition

The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
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- Definition

The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.

+ References

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-Section S99
-Paragraph 1
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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Topic 280
-SubTopic 10
-Section 50
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Cash inflow associated with loan origination (the process when securing a mortgage for a piece of real property) or lease origination.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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