v3.25.4
License Revenues - Additional Information (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2025
Dec. 31, 2024
Oct. 01, 2024
Oct. 31, 2021
Related Party Transaction [Line Items]          
License revenue - related party   $ 2,036,000 $ 6,235,000    
Accounts receivable   52,000 0    
Deferred revenue current   1,188,000 479,000    
Deferred revenue noncurrent   5,770,000 1,908,000    
Zenas BioPharma Limited [Member]          
Related Party Transaction [Line Items]          
Reimbursement of development costs $ 1,100,000        
License revenue - related party   0 5,900,000    
Related party receivable     800,000    
Zenas BioPharma Limited [Member] | Milestone [Member]          
Related Party Transaction [Line Items]          
Development milestones 11,000,000        
Zenas BioPharma Limited [Member] | Royalty [Member]          
Related Party Transaction [Line Items]          
License revenue - related party   0      
Zenas BioPharma Limited [Member] | Upfront Payment [Member]          
Related Party Transaction [Line Items]          
Upfront payments $ 1,000,000       $ 1,000,000
Tenacia Biotechnology (Hong Kong) Co., Limited [Member]          
Related Party Transaction [Line Items]          
License revenue - related party   2,000,000 $ 300,000    
Accounts receivable   52,000      
Unbilled receivable   50,000      
Deferred revenue current   1,200,000      
Deferred revenue noncurrent   $ 5,800,000      
Tenacia Biotechnology (Hong Kong) Co., Limited [Member] | Milestone [Member]          
Related Party Transaction [Line Items]          
Collaborative Arrangement, Revenue Not from Contract with Customer, Statement of Income or Comprehensive Income [Extensible Enumeration]   License revenue - related party      
Development milestones   $ 15,000,000   $ 15,000,000  
Revenue related to milestones   $ 6,000,000      
Tenacia Biotechnology (Hong Kong) Co., Limited [Member] | Upfront Payment [Member]          
Related Party Transaction [Line Items]          
Upfront payments       $ 2,500,000