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Deferred Tax Liabilities and Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Deferred tax assets:
Deferred revenue	$ 17,325	$ 1,635
Fixed and intangible assets	18,832	15,328
Share-based payments	3,834	3,081
Tax losses carried forward	2,214	18,510
Compensation accruals	709	85
Consultant and other accruals	20	41
Charitable contributions	0	22
Total deferred tax assets	42,934	38,702
Valuation allowance for deferred tax assets	(42,934)	(38,702)
Net deferred tax assets and liabilities	$ 0	$ 0

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