Segment And Geographic Information (Schedule Of Sales and Long-Lived Assets, Net By Geographical Regions) (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales		$ 76,822	$ 84,693	$ 77,947
Tangible long-lived assets, net		6,538	6,613
Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales		25,173	34,720
Tangible long-lived assets, net		4,773	4,883
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	[1]	34,563	33,492
Tangible long-lived assets, net	[1]	1,490	1,541
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	[2]	17,086	16,481
Tangible long-lived assets, net	[2]	$ 275	$ 189

[1] Our German subsidiary had net external sales of $24.7 million and $23.2 million in the fiscal years ended June 30, 2019 and 2018,  respectively.  Tangible long-lived assets, net of our German subsidiary were $209,000 and $173,000 as of June 30, 2019 and 2018, respectively. Our Italian subsidiary had net external sales of $9.9 million and $10.3 million in the fiscal years ended June 30, 2019 and 2018, respectively.  Tangible long-lived assets, net of our Italian subsidiary were $1,166,000 and $1,263,000 as of June 30, 2019 and 2018, respectively

[2] Our Chinese subsidiary had net external sales of $13.4 million and $14.0 million in the fiscal years ended June 30, 2019 and 2018, respectively.  Tangible long-lived assets, net of our Chinese subsidiary were $97,000 and $71,000 as of June 30, 2019 and 2018, respectively.