v3.26.3
Common Stock and Stock-Based Awards - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Equity [Abstract]    
Number of Shares, Beginning Balance 1,124,208  
Number of Shares, Granted 777,579  
Number of Shares, Exercised 0  
Number of Shares, Forfeited (191,467)  
Number of Shares, Ending Balance 1,710,320 1,124,208
Number of Shares, Vested or expected to vest 1,710,320  
Number of Shares, Options exercisable 659,524  
Weighted Average Exercise Price, Beginning Balance $ 68.07  
Weighted Average Exercise Price, Granted 8.69  
Weighted Average Exercise Price, Forfeited 80.95  
Weighted Average Exercise Price, Ending Balance 39.63 $ 68.07
Weighted Average Exercise Price, Vested or expected to vest 39.63  
Weighted Average Exercise Price, Options exercisable $ 83.6  
Weighted Average Remaining Contractual Term, Outstanding 7 years 10 months 2 days 7 years 2 months 1 day
Weighted Average Remaining Contractual Term, Vested or expected to vest 7 years 10 months 2 days  
Weighted Average Remaining Contractual Term, Options exercisable 6 years 21 days  
Aggregate Intrinsic Value, Outstanding $ 0 $ 228
Aggregate Intrinsic Value, Vested or expected to vest 0  
Aggregate Intrinsic Value, Options exercisable $ 0