Summary of Significant Accounting Policies - Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, net	$ 51,570	$ 56,077	$ 165,405	$ 173,547
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, net	36,421	40,181	116,979	124,646
Asia/Pacific & Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, net	15,149	15,896	48,426	48,901
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, net	34,068	37,720	109,593	116,421
Long-lived assets	23,427		23,427		$ 10,126
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, net	9,622	$ 9,986	31,172	$ 31,541
Long-lived assets	$ 3,597		$ 3,597		$ 1,070