Property and Equipment, Net - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Property Plant And Equipment [Line Items]
Depreciation and amortization expense	$ 1,200	$ 1,100
Amortization expense for leasehold improvements	1,335	1,273
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Amortization expense for leasehold improvements	$ 500	$ 500