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Accounting for Stock-Based Compensation - Schedule of Share-based Compensation, Stock Options, Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Exercised, Shares 0   0 0 0
Employee Stock Option          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Beginning Balance, Shares 5,239,750 4,490,750   4,490,750  
Granted, Shares   806,000      
Forfeited and cancelled, Shares (310,750) (57,000)      
Ending Balance, Shares 4,929,000 5,239,750   4,929,000  
Exercisable, Shares 3,330,989     3,330,989  
Beginning of Period, Weighted Average Exercise Price $ 5.77 $ 6.24   $ 6.24  
Granted, Weighted Average Exercise Price   3.01      
Forfeited and Cancelled, Weighted Average Exercise Price 6.45 4.43      
End of Period, Weighted Average Exercise Price 5.72 $ 5.77   5.72  
Exercisable, Weighted Average Exercise Price $ 6.81     $ 6.81  
Weighted Average Remaining Contractual Term 6 years 10 months 24 days        
Exercisable, Weighted Average Remaining Contractual Term 6 years        
Outstanding, Aggregate Intrinsic Value as of June 30, 2025 $ 1     $ 1