Note 4 - Trade Accounts Receivable and Allowance for Expected Credit Losses - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2023	Jun. 30, 2023
Beginning	$ 217	$ 243
Additions charged to expenses	12	9
Recovered	(15)	(20)
Currency translation effect	8	(15)
Ending	$ 222	$ 217