Segment And Geographic Information (Schedule Of Sales By Product Line) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 23,594	$ 21,397	$ 20,433	$ 19,269	$ 22,351	$ 16,325	$ 21,751	$ 17,520	$ 84,693	$ 77,947	$ 69,135
Measurement Solutions [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									77,235	69,731	62,268
3D Scanning Solutions [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									2,729	5,490	3,936
Value Added Service [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									$ 4,729	$ 2,726	$ 2,931