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Note 5 - Inventories - Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Jun. 30, 2019
Jul. 01, 2018
Jun. 30, 2018
Inventories:        
Raw materials $ 29,457 $ 27,927    
Work-in-progress 1,592 2,193    
Finished goods 12,548 13,392    
Total Inventories $ 43,597 $ 43,512 $ 46,827 $ 50,994