v3.26.3
Convertible Preferred Stock and Stockholders' Equity - Reconciliation of Consolidated Stockholders' Equity Accounts (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Class Of Stock [Line Items]                
Beginning Balance $ 153,438 $ 179,707 $ 207,184 $ 261,364 $ 288,409 $ 318,726 $ 207,184 $ 318,726
Exercise of stock options, net of issuance costs 23 412            
Stock-based compensation 2,698 3,518 3,929 4,861 7,154 7,381    
Issuance of common stock in connection with at-the-market offering, net of commissions and issuance costs 7,598           7,598 0
Unrealized gain/loss on investments (38) (40) (193) 91 (129) (77)    
Net loss (30,687) (30,159) (31,213) (32,250) (34,070) (37,621) (92,059) (103,941)
Ending Balance $ 133,032 153,438 179,707 $ 234,066 261,364 288,409 $ 133,032 $ 234,066
Convertible Preferred Stock                
Class Of Stock [Line Items]                
Ending Balance (in shares) 2,755,086     2,755,086     2,755,086 2,755,086
Preferred Stock | Convertible Preferred Stock                
Class Of Stock [Line Items]                
Beginning Balance $ 3 $ 3 $ 3 $ 3 $ 3 $ 3 $ 3 $ 3
Beginning Balance (in shares) 2,755,086 2,755,086 2,755,086 2,755,086 2,755,086 2,755,086 2,755,086 2,755,086
Ending Balance $ 3 $ 3 $ 3 $ 3 $ 3 $ 3 $ 3 $ 3
Ending Balance (in shares)   2,755,086 2,755,086   2,755,086 2,755,086    
Common Stock                
Class Of Stock [Line Items]                
Beginning Balance $ 117 $ 116 $ 115 $ 115 $ 115 $ 114 $ 115 $ 114
Beginning Balance (in shares) 116,694,106 116,272,513 115,359,735 114,655,067 114,603,910 113,928,279 115,359,735 113,928,279
Exercise of stock options, net of issuance costs   $ 1            
Exercise of stock options, net of issuance costs (in shares) 24,624 293,409     832      
Issuance of common stock upon vesting of restricted stock units $ 2   $ 1     $ 1    
Issuance of common stock upon vesting of restricted stock units (in shares) 2,013,578 128,184 912,778 681,630 50,325 675,631    
Issuance of common stock in connection with at-the-market offering, net of commissions and issuance costs $ 3              
Issuance of common stock from ATM offering, net of commissions and issuance costs (Shares) 2,801,602              
Ending Balance $ 122 $ 117 $ 116 $ 115 $ 115 $ 115 $ 122 $ 115
Ending Balance (in shares) 121,533,910 116,694,106 116,272,513 115,336,697 114,655,067 114,603,910 121,533,910 115,336,697
Additional Paid In Capital                
Class Of Stock [Line Items]                
Beginning Balance $ 1,749,116 $ 1,745,187 $ 1,741,259 $ 1,730,869 $ 1,723,715 $ 1,716,335 $ 1,741,259 $ 1,716,335
Exercise of stock options, net of issuance costs 23 411            
Issuance of common stock upon vesting of restricted stock units (2)   (1)     (1)    
Stock-based compensation 2,698 3,518 3,929 4,861 7,154 7,381    
Issuance of common stock in connection with at-the-market offering, net of commissions and issuance costs 7,595              
Ending Balance 1,759,430 1,749,116 1,745,187 1,735,730 1,730,869 1,723,715 1,759,430 1,735,730
Accumulated Other Comprehensive Gain (Loss)                
Class Of Stock [Line Items]                
Beginning Balance (117) (77) 116 62 191 268 116 268
Unrealized gain/loss on investments (38) (40) (193) 91 (129) (77)    
Ending Balance (155) (117) (77) 153 62 191 (155) 153
Accumulated Deficit                
Class Of Stock [Line Items]                
Beginning Balance (1,595,681) (1,565,522) (1,534,309) (1,469,685) (1,435,615) (1,397,994) (1,534,309) (1,397,994)
Net loss (30,687) (30,159) (31,213) (32,250) (34,070) (37,621)    
Ending Balance $ (1,626,368) $ (1,595,681) $ (1,565,522) $ (1,501,935) $ (1,469,685) $ (1,435,615) $ (1,626,368) $ (1,501,935)