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Summary of Significant Accounting Policies - Revenue from Unaffiliated Customers by Geographic Regions and Significant Geographic Area (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Segment Reporting Information    
Total revenues $ 45,352 $ 51,633
Americas    
Segment Reporting Information    
Total revenues 34,726 36,456
Asia/Pacific    
Segment Reporting Information    
Total revenues 10,626 15,177
United States    
Segment Reporting Information    
Total revenues 33,496 35,009
Japan    
Segment Reporting Information    
Total revenues $ 8,593 $ 12,194