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Commitments and Contingencies - Additional Information (Detail)
$ in Millions
1 Months Ended 3 Months Ended 4 Months Ended 12 Months Ended
Dec. 31, 2021
USD ($)
ft²
Mar. 31, 2026
USD ($)
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2021
USD ($)
ft²
Jul. 31, 2024
USD ($)
Sep. 30, 2019
USD ($)
Commitment And Contingencies [Line Items]            
Lease expiration date       Dec. 31, 2031    
Executive insurance reserve   $ 5.0        
License Agreement With The University Of Colorado [Member]            
Commitment And Contingencies [Line Items]            
Development and sales milestone payment payable   $ 2.2        
Percentage of sublicense fees   15.00%        
Period of obligation to pay royalties   20 years        
License Agreement With Bristol Mayers Equib Company [Member]            
Commitment And Contingencies [Line Items]            
Percentage of sublicense fees     60.00%      
Period of obligation to pay royalties     12 years      
Upfront payment made     $ 8.0      
Commercial milestone payment payable           $ 215.0
Royalty as a percentage of sales     10.00%      
Development Milestone Payment Payable         $ 4.0  
License Agreement With Bristol Mayers Equib Company [Member] | Maximum [Member] | Tranche Three [Member]            
Commitment And Contingencies [Line Items]            
Development and sales milestone payment payable           49.0
License Agreement With Bristol Mayers Equib Company [Member] | Minimum [Member] | Tranche Three [Member]            
Commitment And Contingencies [Line Items]            
Development and sales milestone payment payable           $ 32.0
License Agreement With Bristol Mayers Equib Company [Member] | Series A Redeemable Preferred Stock [Member]            
Commitment And Contingencies [Line Items]            
Stock issued during period shares purchase of assets | shares     318,278      
Waltham Massauchets [Member]            
Commitment And Contingencies [Line Items]            
Office space leased | ft² 15,000     15,000    
Lessee, operating lease, lease not yet commenced, renewal term 5 years     5 years    
Sublease aggregate base rent obligation $ 1.0     $ 1.0    
Percentage increase in initial annual base rent per square foot. 3.00%          
Annual Rent Operating lease Aggregate After Increase $ 11.1          
Security deposit   $ 0.6        
Operating lease weighted average remaining lease term   5 years 9 months        
Operating lease weighted average discount rate   7.50%        
Waltham Massauchets [Member] | Restricted Cash And Cash Equivalents Non Current [Member]            
Commitment And Contingencies [Line Items]            
Lessee tenant improvement allowance   $ 0.4