Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands	Dec. 31, 2023	Jun. 30, 2023
Accounts Receivable, Allowance for Credit Loss, Current	$ 15,000	$ 11,625
Deferred Tax Assets, Valuation Allowance	$ 176,532	$ (0)
Preferred Stock, Shares Authorized (in shares)	496,000,000	496,000,000
Preferred Stock, Shares Issued (in shares)	0	0
Common Stock, No Par Value (in dollars per share)	$ 0	$ 0
Common Stock, Shares Authorized (in shares)	80,000,000	80,000,000
Common Stock, Shares, Outstanding (in shares)	8,108,388	8,087,388
Common Stock, Shares, Issued (in shares)	8,108,388	8,087,388
Convertible Preferred Stock [Member]
Preferred Stock, Shares Authorized (in shares)	4,000,000	4,000,000
Preferred Stock, Shares Issued (in shares)	166,900	167,100
Preferred Stock, No Par Value (in dollars per share)	$ 0	$ 0
Preferred Stock, Shares Outstanding (in shares)	166,900	167,100