v3.26.3
Basis of Presentation and Accounting Policies - Narrative (Details)
3 Months Ended 9 Months Ended
Aug. 03, 2026
USD ($)
shares
Dec. 19, 2025
USD ($)
shares
Sep. 11, 2025
USD ($)
shares
Sep. 30, 2026
USD ($)
tranche
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Sep. 30, 2026
USD ($)
tranche
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Sep. 09, 2025
closing
Convertible Preferred Stock and Stockholders' Deficit                          
Issuance costs                   $ 1,041,000 $ 2,088,000    
Cash and cash equivalents       $ 124,522,000           124,522,000   $ 109,517,000  
Working capital       107,700,000           107,700,000      
Accumulated deficit       (372,973,000)           (372,973,000)   (292,156,000)  
Net loss attributable to common stockholders       (28,956,000) $ (33,530,000) $ (18,331,000) $ (15,099,000) $ (12,587,000) $ (12,433,000) (80,817,000) (40,119,000)    
Net cash used in operating activities                   (31,832,000) $ (35,846,000)    
Restricted cash       1,600,000           1,600,000   2,200,000  
Restricted cash, current portion       $ 730,000           $ 730,000   1,346,000  
Private placement agreement, purchase of securities, number of tranches | tranche       2           2      
Derivative tranche liability       $ 0           $ 0   $ 44,760,000  
Private Placement                          
Convertible Preferred Stock and Stockholders' Deficit                          
Sale of stock (in shares) | shares 10,795,804   26,717,414                    
Proceeds from sale of common stock and warrants $ 46,900,000   $ 46,700,000                    
Payments of stock and warrant issuance costs $ 3,200,000   $ 3,300,000                    
Private Placement | Prefunded Warrants, Liability                          
Convertible Preferred Stock and Stockholders' Deficit                          
Pre-funded warrants issued (in shares) | shares 21,925,368   6,003,758                    
Underwritten Offering | Leerink Partners LLC                          
Convertible Preferred Stock and Stockholders' Deficit                          
Issuance of common stock in private placement, net of issuance costs (in shares) | shares   5,000,000                      
Net proceeds received   $ 28,100,000                      
Issuance costs   $ 1,900,000                      
Maximum | Private Placement                          
Convertible Preferred Stock and Stockholders' Deficit                          
Number of sale of stock closings in transaction | closing                         2