Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-Based Compensation - Summary of Stock Options Activity (Details)

v3.25.1
Stock-Based Compensation - Summary of Stock Options Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Number of Shares    
Outstanding beginning balance (in shares) 24,435,000  
Granted (in shares) 14,100,000  
Exercised (in shares) 0  
Forfeited (in shares) (11,712,000)  
Outstanding ending balance (in shares) 26,823,000 24,435,000
Number of shares, Exercisable (in shares) 11,705,000  
Number of shares, Vested or expected to vest (in shares) 26,823,000  
Weighted Average Exercise Price    
Outstanding beginning balance (in dollars per share) $ 0.32  
Granted (in dollars per share) 0.05  
Exercised (in dollars per share) 0  
Forfeited (in dollars per share) 0.42  
Outstanding ending balance (in dollars per share) 0.14 $ 0.32
Weighted average exercise price, Exercisable (in dollars per share) 0.25  
Weighted average exercise price, Vested or expected to vest (in dollars per share) $ 0.14  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Outstanding balance, weighted average remaining contract term (in years) 8 years 4 months 24 days 4 years 4 months 24 days
Options exercisable, weighted average remaining contract term (in years) 7 years 3 months 18 days  
Options Vested or expected to vest, weighted average remaining contract term (in years) 8 years 4 months 24 days  
Outstanding, aggregate intrinsic value   $ 6
Equity Option    
Number of Shares    
Exercised (in shares) 0 0