Restatement of Previously Issued Financial Statements - Summary of Impact of the Restatement on Statement of Stockholders' Equity (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated deficit	$ (319,705)	$ (278,391)
Total stockholders' equity	49,466	77,061	$ 47,930	$ 50,459
As Originally Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated deficit	(327,809)	(277,234)
Total stockholders' equity	41,362	78,218
Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated deficit	8,104	(1,157)
Total stockholders' equity	8,104	(1,157)
As Restated [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated deficit	(319,705)	(278,391)
Total stockholders' equity	$ 49,466	$ 77,061