Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 15,456	$ 17,110	$ 43,706	$ 50,646
Reportable Geographical Components [Member] | United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	7,863	9,396	24,593	28,645
Reportable Geographical Components [Member] | Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	1,203	1,544	4,774	3,485
Reportable Geographical Components [Member] | North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	9,066	10,940	29,367	32,130
Reportable Geographical Components [Member] | Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	4,462	4,622	8,597	9,887
Reportable Geographical Components [Member] | Other Asia Pacific Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	643	285	1,334	1,230
Reportable Geographical Components [Member] | Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	5,105	4,907	9,931	11,117
Reportable Geographical Components [Member] | Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	1,282	1,260	4,396	7,390
Reportable Geographical Components [Member] | South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 3	$ 3	$ 12	$ 9