Leases - Additional Information (Detail) $ in Thousands	12 Months Ended
	Jun. 30, 2021 USD ($) ft²	Jul. 31, 2020 USD ($)
Lease expire date	Mar. 31, 2028
Operating lease liabilities	$ 8,298	$ 8,700
Operating lease right of use assets		$ 8,700
Accounting Standards Update 2016-02 [Member] | San Diego California [Member]
Number of square feet under lease | ft²	32,800