Leases - Additional Information (Detail)		1 Months Ended	12 Months Ended
	Jun. 18, 2024 USD ($)	Jul. 31, 2022 USD ($) ft²	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jul. 31, 2020 ft²
Number of square feet under lease | ft²					32,800
Lease expire date		Mar. 31, 2028	Mar. 31, 2028
Lease termination date		Nov. 30, 2029
Operating lease liabilities	$ 0
Lease expiration amended date			Nov. 30, 2029
Termination fee	11,100,000
Prepayment of remaining rent	200,000
Proceeds from sale of furniture and fixtures	1,000
Amount on reduction in remaining right of use asset and lease liability	22,000
Direct costs	200,000		$ 200,000
Impairment charge	$ 10,400,000		10,899,000	$ 0
Remaining future minimum rental payments			0
Right-of-use asset balance			214,000	$ 11,972,000
Decrease in ROU asset balance			$ 22,000
San Diego California [Member]
Operating lease liabilities		$ 4,300,000
Accounting Standards Update 2016-02 [Member]
Number of square feet under lease | ft²		12,300