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Equity Incentive Awards - Summary of Stock Option Activity (Details) - $ / shares
 12 Months Ended
Dec. 31, 2024
Options  
Outstanding at end of year (in shares) 21,688,672
Options  
Options  
Outstanding at beginning of year (in shares) 18,705,000
Granted (in shares) 7,377,000
Exercised (in shares) (51,000)
Expired (in shares) (296,000)
Forfeited (in shares) (10,346,000)
Outstanding at end of year (in shares) 15,389,000
Exercisable (in shares) 7,518,000
Weighted Average Exercise Price  
Outstanding at beginning of year (in dollars per share) $ 3.93
Granted (in dollars per share) 1.92
Exercised (in dollars per share) 1.72
Expired (in dollars per share) 11.79
Forfeited (in dollars per share) 3.36
Outstanding at end of year (in dollars per share) 3.20
Exercisable (in dollars per share) $ 4.33