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Stock-based Compensation (Tables)
3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-based Payment Award, Valuation Assumptions
The Company used the Monte Carlo simulation model to value the liability-classified award. The key inputs into the Monte Carlo simulation as of March 31, 2024 and December 31, 2023 were as follows:
March 31,
2024
December 31, 2023
Expected term (in years)10.010.0
Expected stock price volatility (1)
65.0 %65.0 %
Risk-free interest rate (2)
4.1 %3.8 %
Expected dividend yield (3)
— %— %
(1)Expected volatility is based on historical volatilities of a publicly traded peer group over a period equivalent to the expected term of the awards.
(2)The risk-free interest rate is based on the U.S. Treasury yield of treasury bonds with a maturity that approximates the expected term of the awards.
(3)The Company has not historically paid any cash dividends on its common stock.
Summary of Restricted Stock Unit Activity
A summary of the unvested time-based RSU activity during the three months ended March 31, 2024, was as follows:
Number of SharesWeighted Average Grant Date Fair Value
Outstanding at December 31, 20235,947,487 $8.61 
Granted338,355 $8.46 
Vested(115,895)$6.18 
Forfeited(57,873)$6.51 
Outstanding at March 31, 20246,112,074 $8.66 
Summary of Stock Option Activity
The following table summarizes the stock option activity for the three months ended March 31, 2024:
Number of
Options
Weighted
Average
Exercise
Price
Outstanding at December 31, 20231,768,627 $4.71 
Exercised(164,295)$5.57 
Forfeited or expired
(40,755)$5.80 
Outstanding at March 31, 20241,563,577 $4.59 
Summary of the Components of Total Stock-Based Compensation Expense
The following table summarizes stock-based compensation expenses for the three months ended March 31, 2024 and 2023:
Three Months Ended
March 31,
20242023
Selling, general and administrative expenses$7,423 $3,061 
Product development expenses446 280 
$7,869 $3,341