Stock-based Compensation (Tables)
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12 Months Ended |
Dec. 31, 2020 |
| Share-based Payment Arrangement [Abstract] |
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| Schedule of Weighted Average Assumptions Used to Estimate the Fair Value of Options Granted |
The following table presents the weighted-average assumptions used to estimate the fair value of options granted (excluding replacement options in conjunction with modifications described below) during the periods presented: | | | | | | | | | | | | | Years Ended December 31, | | 2020 | | 2019 | | Expected dividend yield | — | % | | — | % | | Expected stock price volatility | 63.8 | % | | 66.7 | % | | Risk-free interest rate | 1.8 | % | | 2.0 | % | | Expected life of options (in years) | 5.70 | | 5.27 |
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| Schedule of Total Stock Based Compensation Expense |
Total stock-based compensation expense included in the accompanying consolidated statements of operations for the years ended December 31, 2020 and 2019, is as follows (in thousands): | | | | | | | | | | | | | Years Ended December 31, | | 2020 | | 2019 | | Technology and development | $ | 218 | | | $ | 338 | | | Sales and marketing | 407 | | | 513 | | | General and administrative | 831 | | | 765 | | | Total stock-based compensation expense | $ | 1,456 | | | $ | 1,616 | |
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| Summary of Stock Option Activity |
Stock Option Activity —A summary of stock option activity for the year ended December 31, 2020 is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | Number of Shares | | Weighted Average Exercise Price | | Aggregate Intrinsic Value (in thousands) | | Weighted Average Remaining Contractual Term (years) | | Outstanding at January 1, 2020 | 7,296,746 | | | $ | 2.48 | | | | | | | Granted | 89,100 | | | 1.49 | | | | | | | Exercised | — | | | — | | | | | | | Forfeited | (161,651) | | | 2.28 | | | | | | | Expired | (1,261,889) | | | 2.73 | | | | | | | Outstanding—December 31, 2020 | 5,962,306 | | | $ | 2.42 | | | $ | 8 | | | 4.72 | | Expected to vest—December 31, 2020 | 5,954,759 | | | $ | 2.42 | | | $ | 7 | | | 4.71 | | Vested and exercisable—December 31, 2020 | 5,396,910 | | | $ | 2.47 | | | $ | — | | | 4.39 |
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| Summary of RSU Activity |
RSU Activity —A summary of RSU activity for the year ended December 31, 2020 is as follows: | | | | | | | | | | | | | Number of Shares | | Weighted Average Fair Value | Unvested—January 1, 2020 | 677,354 | | | $ | 1.54 | | | Granted | 1,250,595 | | | 1.18 | | | Vested | (503,048) | | | 1.38 | | | Forfeited | (38,168) | | | 1.53 | | Unvested—December 31, 2020 | 1,386,733 | | | $ | 1.27 | | |
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| Share-based Payment Arrangement, Performance Shares, Activity |
PSU Activity — A summary of PSU activity for the year ended December 31, 2020 is as follows: | | | | | | | | | | | | | | | | | Number of Shares | | Weighted Average Fair Value | | Unvested—January 1, 2020 | | 297,789 | | | $ | 1.36 | | | Granted | | 336,100 | | | 1.21 | | | Vested | | — | | | — | | | Forfeited | | (74,442) | | | 1.36 | | | Unvested—December 31, 2020 | | 559,447 | | | $ | 1.27 | |
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