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Convertible Preferred Stock - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended 6 Months Ended
May 01, 2026
Oct. 31, 2024
Apr. 30, 2024
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Class of Stock [Line Items]            
Preferred stock, shares authorized       10,000,000   0
Preferred stock, par value       $ 0.0001   $ 0.0001
IPO            
Class of Stock [Line Items]            
Conversion price         $ 3.8  
Public offering price       $ 5.7    
Minimum proceeds from future initial public offering issuance       $ 100.0    
Minimum preferred stock shares required for voting threshold       2,100,000    
Percentage of required stockholders' outstanding shares       65.00%    
Series A-1 Convertible Preferred Stock            
Class of Stock [Line Items]            
Conversion price           0.32
Series A-1 Convertible Preferred Stock | PureTech LYT | Asset Transfer Agreement            
Class of Stock [Line Items]            
Shares issued as part of the consideration for the assets     40,000,000      
Series A-2 Convertible Preferred Stock            
Class of Stock [Line Items]            
Conversion price           11.94
Series A-2 Convertible Preferred Stock | PureTech LYT | Series A-2 Preferred Stock Purchase Agreement            
Class of Stock [Line Items]            
Shares issued and sold     26,342,102      
Share price per share     $ 3.8      
Gross aggregate proceeds     $ 100.1      
Series B Convertible Preferred Stock            
Class of Stock [Line Items]            
Conversion price           $ 14.92
Series B Convertible Preferred Stock | Stock Purchase Agreement or Series B Financing            
Class of Stock [Line Items]            
Shares issued and sold   47,578,934        
Share price per share   $ 4.75        
Gross aggregate proceeds   $ 226.0        
Convertible Preferred Stock | IPO            
Class of Stock [Line Items]            
Conversion Shares 36,272,475