Note 7 - Related Party Transactions	9 Months Ended
Mar. 31, 2023
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	*Note 7. Related Party Transactions* See Note 6(a). Leases for related party lease transactions.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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