Restatement of Previously Issued Financial Statements - Summary of Impact of the Restatement on Revenue and Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues	$ 34,796	$ 27,756	$ 4,915
Loss from operations	(60,424)	(25,697)	(46,245)
Net loss	(41,314)	(47,173)	(16,819)
Net loss:
Basic	(41,314)	(47,173)	(16,819)
Diluted	$ (68,708)	$ (47,173)	$ (54,613)
Net loss per share:
Basic	$ (0.37)	$ (0.52)	$ (0.24)
Diluted	$ (0.60)	$ (0.52)	$ (0.75)
As Originally Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues	$ 25,535	$ 28,913
Loss from operations	(69,685)	(24,540)
Net loss	(50,575)	(46,016)
Net loss:
Basic	(50,575)	(46,016)
Diluted	$ (77,969)	$ (46,016)
Net loss per share:
Basic	$ (0.45)	$ (0.51)
Diluted	$ (0.68)	$ (0.51)
Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues	$ 9,261	$ (1,157)
Loss from operations	9,261	(1,157)
Net loss	9,261	(1,157)
Net loss:
Basic	9,261	(1,157)
Diluted	$ 9,261	$ (1,157)
Net loss per share:
Basic	$ 0.08	$ (0.01)
Diluted	$ 0.08	$ (0.01)
As Restated [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues	$ 34,796	$ 27,756
Loss from operations	(60,424)	(25,697)
Net loss	(41,314)	(47,173)
Net loss:
Basic	(41,314)	(47,173)
Diluted	$ (68,708)	$ (47,173)
Net loss per share:
Basic	$ (0.37)	$ (0.52)
Diluted	$ (0.60)	$ (0.52)