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Disposition of a Non-financial Asset - Additional Information (Detail) - USD ($)
12 Months Ended
Oct. 22, 2024
Oct. 01, 2023
Jun. 30, 2025
Jun. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Adopted agreement date Oct. 22, 2024 Oct. 01, 2023    
Reimbursement amount     $ 55,000  
Purchaser initial payment     500,000 $ 0
Gain of disposition     500,000 $ 0
Research And Development Arrangement        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Reimbursement amount     $ 55,000  
Asset Purchase Agreement        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Reimbursement amount $ 55,000      
Purchaser initial payment 500,000      
Asset Purchase Agreement | Maximum        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Milestone payment $ 62,000,000