Note 14 - Restructuring Costs - Summary of Restructuring Costs for the Period (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Severance benefits		$ 263		$ 484
Impairment of fixed assets and accelerated depreciation			49	228
Facility repairs		52		99
Gain on sale of facility	(3,741)		(8,562)
Exit costs	235	53	419	113
Manufacturing realignment costs			276
Total	$ (3,506)	$ 368	$ (7,818)	$ 924