Note 10 - Common Stock Incentive, Stock Purchase Plans, and Other Compensation Plans Compensation - Restricted Stock Activity (Details) - Restricted Stock [Member] - $ / shares shares in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Outstanding (in shares)	50,671	75,873
Outstanding, weighted average grant date fair value (in dollars per share)	$ 33.43	$ 39
Granted (in shares)	20,000	2,150
Granted, weighted average grant date fair value (in dollars per share)	$ 10.1	$ 11.83
Vested (in shares)	(26,898)	(26,742)
Vested, weighted average grant date fair value (in dollars per share)	$ 45.5	$ 46.68
Canceled or expired (in shares)	0	(610)
Canceled or expired (in dollars per share)	$ 0	$ 60.6
Granted (in shares)	20,000	2,150
Granted (in dollars per share)	$ 10.1	$ 11.83
Outstanding (in shares)	43,773	50,671
Outstanding, weighted average grant date fair value (in dollars per share)	$ 15.36	$ 33.43