Note 17 - Restructuring - Summary of Restructuring Expenses by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Restructuring charges	$ 582	$ 440
Current year initiatives	582	440
Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	345	375
Current year initiatives	345	375
Other Restructuring [Member]
Restructuring charges	237	65
Current year initiatives	237	65
Electronics Products Group [Member]
Restructuring charges	254
Current year initiatives	254
Electronics Products Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	131
Current year initiatives	131
Electronics Products Group [Member] | Other Restructuring [Member]
Restructuring charges	123
Current year initiatives	123
Engraving Group [Member]
Restructuring charges	328	349
Current year initiatives	328	349
Engraving Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	214	284
Current year initiatives	214	284
Engraving Group [Member] | Other Restructuring [Member]
Restructuring charges	114	65
Current year initiatives	$ 114	65
Engineering Technologies Group [Member]
Restructuring charges		91
Current year initiatives		91
Engineering Technologies Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges		91
Current year initiatives		91
Engineering Technologies Group [Member] | Other Restructuring [Member]
Restructuring charges		0
Current year initiatives		$ 0