XML 59 R38.htm IDEA: XBRL DOCUMENT v3.25.0.1
Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense
Stock-based compensation expense is included within the consolidated statements of operations and comprehensive loss as follows:
Year Ended December 31,
20242023
Cost of services$431 $(1,217)
Research and development1,192 (2,585)
Selling and marketing1,089 (1,266)
General and administrative6,426 4,742 
Total stock-based compensation expense1,2
$9,138 $(326)
1 The Company recorded an aggregate reversal of stock-based compensation of $3.9 million and $24.7 million during the years ended December 31, 2024 and 2023, respectively, due to forfeiture activities upon employee terminations.
2 Includes $0.6 million of expense related to the 2021 Employee Stock Purchase Plan during year ended December 31, 2024.
Schedule of Stock Option Activity The following summarizes the stock option activity during the year ended December 31, 2024:

Stock Options Outstanding
Weighted Average Exercise Price
Weighted Average Remaining Contractual Life (years)Aggregate Intrinsic Value
Balance at December 31, 2023497,976$42.80 5.55$— 
Options granted—$— 
Options exercised(68,453)$5.77 
Options forfeited and canceled(88,243)$63.45 
Balance at December 31, 2024341,280$44.83 5.99$12,429 
Options exercisable at December 31, 2024290,963$40.47 5.74$11,799 
Schedule of Valuation Assumptions The fair value of the stock option awards granted during the year ended December 31, 2023 were estimated using the Black-Scholes option pricing model with the following assumptions:
2023
Expected volatility105.0%
Weighted-average expected volatility105.0%
Expected term (in years)5.5
Risk-free interest rate4.03%
Dividend yield—
Fair value of Class A common stock$6.35
Schedule of Restricted Stock Units The following table summarizes the activity related to the Company’s time-based RSUs:

Restricted Stock Units Outstanding
Weighted Average Grant Date Fair Value Per Unit
Balance at December 31, 20231,507,877 $15.48 
Restricted Stock Units granted1,187,165 $11.37 
Restricted Stock Units vested(471,663)$17.72 
Restricted Stock Units forfeited(353,818)$15.63 
Balance at December 31, 20241,869,561 $12.03