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Leases - Additional Information (Detail)
 1 Months Ended 12 Months Ended
Jun. 18, 2024
USD ($)
Jul. 31, 2022
USD ($)
ft²
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
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 Nov. 30, 2029    
Operating lease liabilities $ 0        
Lease expiration amended date Sep. 30, 2024        
Termination fee $ 11,100,000        
Prepayment of remaining rent 200,000        
Proceeds from sale of furniture and fixtures 1        
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   $ 0 10,899,000  
Supplemental cash flow     0 13,612,000  
Remaining future minimum rental payments       0  
Right-of-use asset balance     $ 0 214,000  
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