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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Fair Value of Options
The fair value of the stock options granted were estimated on the date of grant using a Black-Scholes option pricing model with the following weighted-average assumptions:
 Three Months Ended September 30,Nine Months Ended September 30,
 2025202420252024
Expected stock price volatility55.1 %55.5 %55.5 %57.1 %
Risk free interest rate3.8 %3.9 %4.2 %4.0 %
Expected life of options (years)5.65.65.65.6
Expected annual dividend per share$— $— $— $— 
Schedule of Stock Options Activity A summary of the Company's stock options for the nine months ended September 30, 2025 were as follows:
Number of
Shares
Weighted Average Exercise 
Price
Weighted Average Remaining
Years
Aggregate
Intrinsic
Value
 (in thousands)  (in millions)
Options outstanding, December 31, 202426,013 $12.11   
Granted4,012 $8.45   
Exercised(79)$6.06   
Forfeited(477)$11.33   
Expired(1,127)$13.10 
Options outstanding, September 30, 202528,342 $11.58 5.6$4.3 
Vested and non-vested expected to vest, September 30, 202527,274 $11.60 5.5$4.2 
Exercisable at September 30, 202520,138 $11.93 4.5$2.6 
Schedule of Non-Vested RSU Activity under the Plan A summary of non-vested RSU activity for the nine months ended September 30, 2025 is as follows:
Number of
Shares
Weighted
Average Grant
Date Fair
Value
Weighted 
Average
Remaining 
Years
Aggregate
Intrinsic
Value
(in thousands)(in millions)
Non-vested units as of December 31, 20248,277 $13.59   
Granted7,608 $8.75   
Vested(2,786)$11.10   
Forfeited(948)$10.68   
Non-vested units as of September 30, 202512,151 $11.01 2.4$95.8 
Schedule of Equity Compensation Expenses
The following table summarizes information related to compensation expense recognized in the Company's Consolidated Statements of Operations related to the equity awards:
 Three Months Ended September 30,Nine Months Ended September 30,
(in thousands)2025202420252024
Research and development expense$2,368 $4,397 $8,765 $12,329 
Selling, general, and administrative expense15,721 14,291 52,055 53,359 
Total equity compensation expense$18,089 $18,688 $60,820 $65,688