v3.25.1
Stockholders' Equity - Schedule of Stock Options Activity (Details) - 2015 Equity Incentive Plan - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Number of Shares    
Outstanding at the beginning (in shares) 6,882  
Granted (in shares) 0  
Exercised (in shares) 0  
Forfeited (in shares) (89)  
Expired (in shares) (28)  
Outstanding at the end (in shares) 6,765 6,882
Expected to vest (in shares) 6,765  
Exercisable (in shares) 150  
Weighted Average Exercise Price    
Outstanding at the beginning (in dollars per share) $ 2.95  
Granted (in dollars per share) 0  
Exercised (in dollars per share) 0  
Forfeited (in dollars per share) 2.24  
Expired (in dollars per share) 26.97  
Outstanding at the end (in dollars per share) 2.86 $ 2.95
Expected to vest (in dollars per share) 2.86  
Exercisable (in dollars per share) $ 32.00  
Weighted Average Remaining Term    
Weighted Average Remaining Term (in years) 8 years 11 months 19 days 9 years 2 months 26 days
Vested and expected to vest (in years) 8 years 11 months 19 days  
Exercisable (in years) 4 years 4 months 6 days  
Aggregate Intrinsic Value    
Outstanding $ 0 $ 3,263
Exercisable 0  
Expected to vest $ 0