v3.26.3
License Agreements (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 31, 2026
May 31, 2026
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Aug. 31, 2026
Oct. 31, 2025
May 31, 2021
Oct. 31, 2020
Nature of Business                    
Acquired in-process research and development     $ 27,500 $ 5,000 $ 57,500 $ 5,000        
2021 Xencor Agreement                    
Nature of Business                    
Regulatory milestone payments                 $ 62,500  
Sales milestone payments                 385,000  
License and option agreements, Food and Drug Administration market authorization milestone payments made   $ 10,000                
Acquired in-process research and development     2,500 0 12,500 0        
Regulatory milestone payments made $ 2,500                  
2021 Xencor Agreement | Market Approval By U S Food And Drug Administration [Member]                    
Nature of Business                    
License and option agreements, Food and Drug Administration market approval payable                 20,000  
2021 Xencor Agreement | Market Approval By European Medicines Agency [Member]                    
Nature of Business                    
License and option agreements, Food and Drug Administration market approval payable                 $ 15,000  
Viridian Agreement                    
Nature of Business                    
Sales milestone payments                   $ 21,000
Contract manufacturing organization costs recognized     0 $ 0 0 0        
Reimbursable costs     0   0 $ 200        
InnoCare Pharma Inc                    
Nature of Business                    
Non-refundable cash payment               $ 35,000    
Number of shares agreed to be issued               5,000,000    
Number of additional shares agreed to be issued             2,000,000      
Acquired in-process research and development     25,000   45,000          
Term milestone payments             $ 25,000 $ 20,000    
Future regulatory and commercial milestones payable               723,000    
Regulatory milestone payments made   $ 20,000                
Contract manufacturing organization costs recognized     3,100   5,000          
Reimbursable costs     $ 700   $ 2,900          
InnoCare Pharma Inc | ZB021                    
Nature of Business                    
Development, regulatory and commercial milestones payable               636,000    
InnoCare Pharma Inc | ZB022                    
Nature of Business                    
Development, regulatory and commercial milestones payable               $ 656,000