The Company - Schedule of Changes in Accounts Receivable, Unbilled Receivables and Contract Liabilities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Contract with Customer Asset and Liability [Line Items]
Account receivables, beginning of year	$ 83	$ 0
Amount billed	25,682	1,292
Payments received	(25,765)	(1,209)
Accounts receivables, end of year	0	83
Unbilled receivables, beginning of year	2,858	511
Billable amounts	30,406	3,639
Amount billed	(25,682)	(1,292)
Unbilled receivables, end of year	7,582	2,858
Contract liabilities, beginning of year	19,108	7,774
Revenue recognized	(4,798)	(25,234)
Payment received	367	36,568
Contract liabilities, end of year	$ 14,677	$ 19,108