v3.25.1
Collaboration and License Agreements - Eli Lilly and Company (Details) - Eli Lilly and Company - Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
$ in Millions
1 Months Ended 3 Months Ended
Jul. 31, 2023
antisenseOligonucleotide
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Collaboration and License Agreements        
Maximum number of antisense oligonucleotides | antisenseOligonucleotide 3      
Reduction in R&D expense   $ 0.1 $ 0.2  
Maximum        
Collaboration and License Agreements        
Unbilled receivable (less than)   $ 0.1   $ 0.1