Note 24 - Stock Options - Summary of Options Activities 2007 Employee Plan (Details) - Employee Stock Option Plan 2007 [Member] - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Outstanding. options (in shares)	0	37,500
Outstanding, weighted average exercise price (in dollars per share)		$ 4.14
Outstanding, weighted average remaining contractual term (Year)			9 months
Aggregate intrinsic value outstanding			$ 34
Exercised, options (in shares)	0	(37,500)
Exercised, weighted average exercise price (in dollars per share)		$ 4.14