v3.26.1
Share-Based Compensation - Schedule of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 27, 2026
Dec. 31, 2025
Number of Stock Options    
Outstanding, beginning balance (in shares) 3,974,337  
Granted (in shares) 790,900  
Exercised (in shares) 0  
Canceled/Forfeited (in shares) (125,076)  
Outstanding, ending balance (in shares) 4,640,161 3,974,337
Vested and exercisable (in shares) 3,384,913  
Vested and expected to vest (in shares) 4,485,683  
Weighted Average Exercise Price    
Outstanding, beginning balance (in dollars per share) $ 25.24  
Granted (in dollars per share) 0.83  
Exercised (in dollars per share) 0  
Canceled/Forfeited (in dollars per share) 6.80  
Outstanding, ending balance (in dollars per share) 21.58 $ 25.24
Vested and exercisable (in dollars per share) 27.73  
Vested and expected to vest (in dollars per share) $ 22.19  
Weighted Average Remaining Contractual Life (Years)    
Outstanding 5 years 10 months 24 days 5 years 3 months 18 days
Vested and exercisable 4 years 9 months 18 days  
Vested and expected to vest 5 years 9 months 18 days  
Aggregate Intrinsic Value    
Outstanding, beginning balance $ 0  
Outstanding, ending balance 0 $ 0
Exercised 0  
Vested and exercisable 0  
Vested and expected to vest $ 0  
2026 Employment Inducement Equity Incentive Plan    
Number of Stock Options    
Granted (in shares) 236,221