v3.26.1
Nature of Business (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Oct. 31, 2025
USD ($)
shares
Sep. 30, 2024
USD ($)
$ / shares
shares
Mar. 31, 2026
USD ($)
Mar. 16, 2026
USD ($)
shares
Dec. 31, 2025
USD ($)
segment
shares
Dec. 31, 2024
USD ($)
Nature of Business              
Number of operating segments | segment           1  
Maximum value of common stock to be issued   $ 200,000          
Net loss           $ 377,737 $ 156,988
Accumulated deficit           765,128 $ 387,391
Cash, cash equivalents and investments           360,500  
Initial tranche | Subsequent event              
Nature of Business              
Proceeds from debt $ 75,000            
IPO              
Nature of Business              
Issuance of common stock (in shares) | shares     15,220,588        
Public offering price | $ / shares     $ 17        
Aggregate gross proceeds     $ 258,700        
Net proceeds     $ 234,300        
Convertible preferred stock into common stock | shares     24,978,715        
Reverse stock split     8.6831        
Underwriter's option              
Nature of Business              
Issuance of common stock (in shares) | shares     1,985,294        
Private Investment in Public Equity              
Nature of Business              
Issuance of common stock (in shares) | shares   6,311,030          
Net proceeds   $ 111,800       $ 111,800  
Private Investment in Public Equity | Subsequent event              
Nature of Business              
Gross proceeds       $ 71,500      
2025 ATM Program              
Nature of Business              
Issuance of common stock (in shares) | shares   828,195       828,195  
Net proceeds   $ 28,500       $ 28,500  
Maximum value of common stock to be issued   $ 200,000          
2025 ATM Program | Subsequent event              
Nature of Business              
Issuance of common stock (in shares) | shares         2,827,723    
Net proceeds         $ 71,500