Segment Information (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 14,981	$ 15,456	$ 43,644	$ 43,706
Reportable Geographical Components [Member] | United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	8,730	7,863	24,773	24,593
Reportable Geographical Components [Member] | Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	270	1,203	1,461	4,774
Reportable Geographical Components [Member] | North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	9,000	9,066	26,234	29,367
Reportable Geographical Components [Member] | Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	3,912	4,462	9,705	8,597
Reportable Geographical Components [Member] | Other Asia-Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	565	643	3,063	1,334
Reportable Geographical Components [Member] | Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	4,477	5,105	12,768	9,931
Reportable Geographical Components [Member] | Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	1,504	1,282	4,273	4,396
Reportable Geographical Components [Member] | South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 0	$ 3	$ 369	$ 12