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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-based Compensation Expense The following table shows stock-based compensation expense by where the stock-based compensation expense is recorded in the Company’s unaudited condensed consolidated statement of operations:
Three Months Ended
September 30,
Nine Months Ended
September 30,
2023202220232022
Cost of revenue
$33 $20 $82 $52 
Sales and marketing
822 189 2,190 599 
Research and development
579 329 1,464 836 
General and administrative
2,769 1,442 7,028 3,629 
Total stock-based compensation
$4,203 $1,980 $10,764 $5,116 
Schedule of Weighted-Average Assumptions to Determine Fair Value
The weighted-average assumptions utilized to determine the fair value of options granted to employees are presented in the following table:
Three Months Ended September 30,Nine Months Ended September 30,
2023202220232022
Expected volatility62.6 %53.7 %63.2 %52.9 %
Weighted-average risk-free interest rate4.03 %2.65 %3.71 %2.52 %
Expected dividend yield— — — — 
Expected life – in years6666
Schedule of Option Activity
A summary of the Company’s option activity as of September 30, 2023, which all occurred under the 2019 Plan and the 2021 Plan, and changes during the nine months then ended are as follows:
Number of OptionsWeighted-Average Exercise Price (per share)Weighted-Average Remaining Contractual Term (in years)
Outstanding at December 31, 2022
6,865,265 $4.82 7.68
Granted2,568,239 9.17 
Exercised(997,964)0.75 
Forfeited(261,364)9.76 
Outstanding at September 30, 2023
8,174,176 6.50 7.81
Options exercisable at September 30, 2023
4,278,634 3.356.60
Schedule of Restricted Stock Unit Activity
A summary of RSU activity under the Company’s 2021 Plan for the nine months ended September 30, 2023 is as follows:
Number of SharesWeighted-Average Grant Date Fair ValueAggregate Fair Value
Unvested balance at January 1, 20231,269,743$11.97 $15,194 
Granted1,908,8808.8316,855
Vested(410,646)12.034,940 
Forfeited(133,599)13.141,755 
Unvested balance as of September 30, 2023
2,634,378$9.83 $25,896 
Schedule of Performance Share Units Activity
A summary of PSU activity under the Company’s 2021 Plan for the nine months ended September 30, 2023 is as follows:
Number of SharesWeighted-Average Grant Date Fair ValueAggregate Fair Value
Unvested balance at January 1, 20231,283,620$11.22 $14,402 
Granted
Vested(5,226)10.0553 
Forfeited(200,668)11.962,400 
Unvested balance at September 30, 2023
1,077,726$11.61 $12,512