Stock-Based Compensation (Tables)
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9 Months Ended |
Sep. 30, 2022 |
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| Share-Based Payment Arrangement [Abstract] |
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| Schedule of Share-based Compensation, Stock Options, Activity |
A summary of stock option activity for the nine months ended September 30, 2022 is as follows: | | | | | | | | | | | | | | | | | | | | | | | | |
| Shares Under Option | | Weighted- Average Exercise Price | | Weighted- Average Contractual Life | | Aggregate Intrinsic Value | |
| (in thousands) | | | | | | (in thousands) | | | Outstanding at December 31, 2021 | 5,129 | | | $ | 7.25 | | | | | | | | Granted | 699 | | | $ | 13.90 | | | | | | | | Exercised | (514) | | | $ | 3.45 | | | | | | | | Expired | (391) | | | $ | 5.72 | | | | | | | | Forfeited | (123) | | | $ | 12.27 | | | | | | | | Outstanding at September 30, 2022 | 4,800 | | | $ | 8.62 | | | 5.7 years | | $ | 6,100 | | | | Exercisable at September 30, 2022 | 3,583 | | | $ | 6.87 | | | 4.8 years | | $ | 5,556 | | |
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| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions |
The weighted-average input assumptions used by the Company were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended | | Nine Months Ended | | September 30, 2022 | | September 30, 2021 | | September 30, 2022 | | September 30, 2021 | | Expected term (in years) | N/A | | 5.0 | | 5.0 | | 5.0 | | Risk-free interest rate | N/A | | 0.90 | % | | 1.63 | % | | 0.88 | % | | Expected volatility | N/A | | 79 | % | | 79 | % | | 79 | % | | Dividend yield | N/A | | — | % | | — | % | | — | % |
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| Schedule of Nonvested Restricted Stock Units Activity |
A summary of restricted stock unit activity for the nine months ended September 30, 2022 is as follows: | | | | | | | | | | | | | Number of Shares | | Weighted-Average Grant Date Fair Value | | (in thousands) | | | Restricted stock units outstanding at December 31, 2021 | 6,634 | | | $ | 18.39 | | | Granted | 7,368 | | | $ | 13.43 | | | Canceled | (1,362) | | | $ | 15.71 | | | Vested and released | (2,670) | | | $ | 15.83 | | Restricted stock units outstanding at September 30, 2022 | 9,970 | | | $ | 15.78 | | | Restricted stock units outstanding and unvested* | 9,952 | | * | $ | 15.79 | | *At September 30, 2022, outstanding restricted stock units included 18,436 units that were vested but deferred. |
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| Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs for all Plans |
Total stock-based compensation expense recorded in the condensed consolidated statements of operations was as follows: | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended | | Nine Months Ended | | September 30, 2022 | | September 30, 2021 | | September 30, 2022 | | September 30, 2021 | | (in thousands) | | (in thousands) | | Cost of revenue | $ | 424 | | | $ | 278 | | | $ | 1,191 | | | $ | 530 | | | Sales and marketing | 5,491 | | | 4,583 | | | 16,257 | | | 10,426 | | | Technology and development | 6,576 | | | 3,828 | | | 16,645 | | | 8,195 | | | General and administrative | 4,911 | | | 3,087 | | | 14,096 | | | 8,299 | | | Merger, acquisition, and restructuring costs | — | | | 48 | | | 2,004 | | | 1,071 | | | Total stock-based compensation expense | $ | 17,402 | | | $ | 11,824 | | | $ | 50,193 | | | $ | 28,521 | |
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