v3.26.3
Redeemable Convertible Preferred Stock - Additional Information (Details)
 1 Months Ended 3 Months Ended 9 Months Ended
Jun. 22, 2026
$ / shares
Jun. 09, 2026
Oct. 15, 2025
USD ($)
$ / shares
shares
Oct. 09, 2025
USD ($)
$ / shares
shares
Mar. 31, 2026
USD ($)
$ / shares
shares
Sep. 30, 2025
USD ($)
$ / shares
shares
Aug. 31, 2025
USD ($)
shares
Feb. 28, 2025
USD ($)
shares
Jul. 31, 2024
USD ($)
$ / shares
shares
Jun. 30, 2024
USD ($)
$ / shares
shares
Sep. 30, 2026
USD ($)
shares
Sep. 30, 2025
USD ($)
$ / shares
shares
Sep. 30, 2026
USD ($)
shares
Sep. 30, 2025
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
Dec. 31, 2025
$ / shares
shares
Dec. 31, 2024
USD ($)
Nov. 30, 2024
USD ($)
$ / shares
shares
Class of Stock [Line Items]                                    
Shares issued | shares                     0   0     29,519,423    
Original price per share | $ / shares $ 16                                  
Redeemable convertible preferred stock, shares outstanding | shares                     0   0     29,519,423    
Warrants to purchase common stock | shares           1,752,080           1,752,080   1,752,080        
Stock split ratio 1.5928 1.5928                                
Gross proceeds of preferred stock                         $ 9,997,000 $ 342,640,000        
Prolaio, Inc. [Member]                                    
Class of Stock [Line Items]                                    
Change in fair value of contingent consideration liability                     $ (21,800,000) $ 0 21,700,000 0        
Series A Preferred Stock                                    
Class of Stock [Line Items]                                    
Shares issued | shares                 2,883,206 2,531,552           17,256,508   1,544,576
Convertible preferred stock price per share | $ / shares                 $ 19.42                  
Gross cash proceeds from convertible preferred stock             $ 100,000,000 $ 100,000,000 $ 56,000,000                  
Sale of stock | shares             5,148,587 5,148,587                    
Original price per share | $ / shares                               $ 19.42    
Redeemable convertible preferred stock, shares outstanding | shares                               17,256,508    
Purchase of additional shares subject to satisfaction of milestones and cash related conditions                   $ 100,000,000                
Fair value of shares                                   $ 29,500,000
Fair value of shares per share | $ / shares                                   $ 19.1
Series A Preferred Stock | Second Tranche                                    
Class of Stock [Line Items]                                    
Preferred stock tranche obligation liability                     3,200,000   3,200,000          
Fair value of estimated liability                                 $ 7,300,000  
Gain on change in fair value of preferred stock                       $ 5,000,000   $ 1,100,000        
Series A Preferred Stock | Third Tranche                                    
Class of Stock [Line Items]                                    
Preferred stock tranche obligation liability                     9.2   9.2          
Fair value of estimated assets               $ 1,700,000                 $ 1,700,000  
Series A Preferred Stock | Series A SPA                                    
Class of Stock [Line Items]                                    
Shares issued | shares                   2,487,790                
Convertible preferred stock price per share | $ / shares                   $ 19.42                
Gross cash proceeds from convertible preferred stock                   $ 48,300,000                
Series A Preferred Stock | SAFEs                                    
Class of Stock [Line Items]                                    
Shares issued | shares                   43,762                
Principal amount                   $ 900,000                
Series B Preferred Stock                                    
Class of Stock [Line Items]                                    
Shares issued | shares       4,025,257 468,053 4,082,529           4,082,529   4,082,529   8,482,146    
Gross cash proceeds from convertible preferred stock       $ 86,000,000 $ 10,000,000                          
Original price per share | $ / shares       $ 21.37 $ 21.37 $ 21.37           $ 21.37   $ 21.37   $ 21.37    
Fair value of preferred stock per share | $ / shares         $ 24.36                          
Issuance of preferred stock at fair value                         11,400,000          
Cash proceeds to excess of fair value                     $ 1,400,000   $ 1,400,000   $ 1,400,000      
Redeemable convertible preferred stock, shares outstanding | shares                     47,764,024   47,764,024     8,482,146    
Warrants to purchase common stock | shares                     1,752,080   1,752,080          
Series B-1 Preferred Stock                                    
Class of Stock [Line Items]                                    
Shares issued | shares     1,170,134     2,610,635           2,610,635   2,610,635   3,780,769    
Gross cash proceeds from convertible preferred stock     $ 25,000,000                              
Original price per share | $ / shares     $ 21.37     $ 21.37           $ 21.37   $ 21.37   $ 21.37    
Redeemable convertible preferred stock, shares outstanding | shares                               3,780,769    
Series B Preferred Stock and Series B-1 Preferred Stock                                    
Class of Stock [Line Items]                                    
Gross cash proceeds from convertible preferred stock           $ 143,000,000