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Note 15 - Restructuring (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Restructuring Costs, Total   $ 4,669 $ 1,289 $ 3,428
Forecast [Member]        
Restructuring Costs, Total $ 2,600