Summary of Significant Accounting Policies - Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, net	$ 61,242	$ 58,167	$ 117,470	$ 113,776
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, net	44,284	42,440	84,465	83,519
Asia/Pacific & Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, net	16,958	15,727	33,005	30,257
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, net	41,355	39,633	78,701	77,948
Long-lived assets	11,883		11,883		$ 9,772
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, net	10,497	$ 10,028	21,555	$ 20,085
Long-lived assets	$ 1,572		$ 1,572		$ 955