v3.26.1
Description of Business (Detail)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2022
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Employee
Jun. 30, 2025
USD ($)
Dec. 31, 2022
USD ($)
Feb. 28, 2026
USD ($)
Dec. 31, 2025
USD ($)
License Collaboration And Manufacturing Agreements [Line Items]                
Entity incorporation state       DE        
Entity incorporation date       Aug. 01, 2012        
Proceeds from sale of future royalties, gross       $ 31.0        
Cash Payment   $ 9.0   $ 9.0        
Reduction in current workforce   23.00%   23.00%        
Severance Costs   $ 0.8 $ 1.5 $ 0.8 $ 11.3      
Supplemental Unemployment Benefits, Severance Benefits   0.8   $ 0.8       $ 0.9
Employees Count | Employee       10        
Severance and related benefits costs   0.8   $ 0.8        
HCRx Agreement [Member]                
License Collaboration And Manufacturing Agreements [Line Items]                
Proceeds from sale of future royalties, gross $ 31.0     31.0   $ 31.0    
Cash Payment   $ 9.0   $ 9.0     $ 9.0  
Minimum cash repayment 185.00%     185.00%        
Maximum cash repayment 250.00%     250.00%