Segment And Geographic Information (Schedule Of Sales By Product Line) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 22,351	$ 16,325	$ 21,751	$ 17,520	$ 18,774	$ 18,082	$ 17,211	$ 15,068	$ 77,947	$ 69,135	$ 74,405
Measurement Solutions [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									69,731	62,268	66,250
3D Scanning Solutions [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									5,490	3,936	5,074
Value Added Service [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									$ 2,726	$ 2,931	$ 3,081