XML 44 R33.htm IDEA: XBRL DOCUMENT v3.23.3
Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
The following summarizes the stock option activity during the nine months ended September 30, 2023:

Stock Options Outstanding
Weighted Average Exercise Price
Balance at December 31, 2022
798,873$49.83 
Options granted44,080 $7.89 
Options exercised(50,444)$5.05 
Options forfeited or canceled(169,279)$78.82 
Balance at September 30, 2023
623,230 $11.00 
Options exercisable at September 30, 2023
769,312 $18.03 
Schedule of Valuation Assumptions
The fair value of the stock option awards for the nine months ended September 30, 2023 were estimated using the Black-Scholes option pricing model with the following assumptions:
Nine months ended September 30, 2023
Expected volatility
105.00%
Expected term (in years)
5.5
Risk-free interest rate
4.03%
Dividend yield—
Fair value of Class A common stock
$6.35
Schedule of Restricted Stock Units Activity 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, 2022
855,061$77.88 
Restricted Stock Units granted1,601,270$24.38 
Restricted Stock Units vested(328,242)$63.20 
Restricted Stock Units forfeited(430,308)$70.39 
Balance at September 30, 2023
1,697,781$18.14 
Schedule of Stock-Based Compensation Expense Stock-based compensation expense for all awards granted and outstanding is included within the condensed consolidated statements of operations and comprehensive loss as follows (in thousands):
Three months ended September 30,Nine months ended September 30,
2023202220232022
Cost of services$75 $1,477 $(1,340)$4,668 
Research and development
(533)(8,164)(265)2,692 
Selling and marketing
(115)2,050 (195)5,714 
General and administrative
1,004 5,910 2,386 28,479 
Total stock-based compensation expense
$431 $1,273 $586 $41,553