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Collaboration and License Agreements - Glaxosmithkline Intellectual Property (No. 3) Limited (Details) - USD ($)
1 Months Ended
Nov. 22, 2021
Dec. 31, 2023
Sep. 30, 2024
Dec. 11, 2023
Sep. 30, 2023
Jun. 30, 2023
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]            
Deferred revenue     $ 0   $ 866,000  
GSK | GSK-HSD License Agreement            
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]            
Initial transaction price $ 120,000,000          
Milestone payment receivable           $ 30,000,000
Milestone payment receivable upon achievement of phase two and first patient dosed in phase three 100,000,000          
GSK | GSK-HSD License Agreement | Maximum            
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]            
Commercial milestone payments at first commercial sale 190,000,000          
Sales-related milestone payments $ 590,000,000          
GSK | GSK-HBV Agreement            
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]            
Initial transaction price   $ 2,700,000        
Contract assets     0      
Deferred revenue     $ 0      
GSK | GSK-HBV Agreement | Maximum            
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]            
Development and sales milestone payments       $ 832,500,000