Note M - Subsequent Events	9 Months Ended
Mar. 31, 2022
Notes to Financial Statements
Subsequent Events [Text Block]	M. Subsequent Event On April 22, 2022, we purchased two forward contracts designated and effective as cash flow hedges to protect against the foreign currency exchange risk inherent in a portion of our forecasted sales transactions denominated in Euros. The two contracts expire quarterly beginning May 2023 and ending August 2023. The forward contracts have a notional amount of EUR 6.0 million and a weighted average forward rate of 1.11.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI https://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration