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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 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 March 31,
 20252024
Expected stock price volatility55.6 %57.2 %
Risk free interest rate4.4 %4.0 %
Expected life of options (years)5.65.6
Expected annual dividend per share$— $— 
Schedule of Stock Options Activity A summary of the Company's stock options for the three months ended March 31, 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   
Granted2,677 $9.39   
Exercised(12)$8.73   
Forfeited(211)$11.16   
Expired(285)$11.49 
Options outstanding, March 31, 202528,182 $11.87 5.9$3.2 
Vested and non-vested expected to vest, March 31, 202526,774 $11.88 5.7$3.2 
Exercisable at March 31, 202519,104 $11.98 4.7$3.2 
Schedule of Non-Vested RSU Activity under the Plan A summary of non-vested RSU activity under the Plan for the three months ended March 31, 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   
Granted5,568 $9.40   
Vested(2,103)$11.64   
Forfeited(317)$12.78   
Non-vested units as of March 31, 202511,425 $11.68 2.7$93.2 
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 March 31,
(in thousands)20252024
Research and development expense$4,004 $4,871 
Selling, general, and administrative expense21,168 25,932 
Total equity compensation expense$25,172 $30,803