v3.25.3
The Company - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 04, 2025
Sep. 04, 2024
Feb. 06, 2024
Dec. 31, 2025
Sep. 30, 2025
Sep. 30, 2025
Sep. 30, 2024
May 31, 2023
Sep. 30, 2016
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Entity incorporation date           May 26, 2011      
Cash, cash equivalents and short-term investments         $ 6.8 $ 6.8      
Maintenance Fee Operating License Liability Payments Due Year Four         0.5 0.5      
Maintenance Fee Operating license Liability Payments Due Year Two         0.4 0.4      
Maintenance Fee Operating License Liability Payments Due Next Twelve Months         0.3 0.3      
Proceeds from registered direct offering     $ 13.9            
Severance and Other employee termination related costs         2.3        
Research and development expenses         1.2        
General and administrative expenses         1.1        
Debt related commitment fees and debt related issuance costs   $ 3.0       $ 1.9      
Transaction expenses $ 0.1                
Additional milestone payments $ 2.9                
Common Stock                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Number of shares sold under facility     740,740            
Common Stock Warrants                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Warrant expiration date     Aug. 09, 2029            
Class of warrant Exercise     $ 24.3            
Convertible Stock Warrant                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Class of warrant Exercise                 $ 161.1
Purchase price of share and warrant     $ 20.25            
Maximum                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Number of stock that can be purchased by each warrant                 1,986
Maximum | Common Stock                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Number of shares sold under facility     740,740            
Maximum | Common Stock Warrants                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Number of stock that can be purchased by each warrant     740,740            
Cantor Fitzgerald Co | Common Stock | In May 2023                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Number of shares sold under facility           109,957 22,656    
Net proceeds from issuance of stock         $ 1.4 $ 1.4 $ 0.5    
Forecast [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Severance and Other employee termination related costs       $ 0.1          
At-the-market Sales Agreement | Cantor Fitzgerald Co | In May 2023                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Common stock shares aggregate offering price               $ 50.0