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Equity Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity Compensation Plans (Tables) [Line Items] |
Schedule of fair market value using Black-Scholes method |
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |
Fair market value |  | $ | 6.93 |  |  | $ | 6.83 |
Risk free rate |  |  | 0.25 | % |  |  | 1.88 | %
Dividend yield |  |  | — |  |  |  | — |
Expected volatility |  |  | 50.34 | % |  |  | 36.79 | %
Expected term in years |  |  | 3.41 |  |  |  | 3.47 |
Schedule of total stock option activity |
|  | Options (in thousands) |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term in Years |  |  | Intrinsic Value $ (in thousands) |
Options outstanding as of January 1, 2019 |  |  | 933 |  |  | $ | 5.96 |  |  |  | 4.8 |  |  | $ | — |
Granted |  |  | 1,598 |  |  |  | 7.29 |  |  |  | — |  |  |  | — |
Exercised |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forfeited/expired |  |  | (395 | ) |  |  | 5.97 |  |  |  | — |  |  |  | — |
Options outstanding as of December 31, 2019 |  |  | 2,136 |  |  |  | 6.95 |  |  |  | 4.3 |  |  |  | 3,752 |
Granted |  |  | 488 |  |  |  | 16.26 |  |  |  | — |  |  |  | — |
Exercised |  |  | (281 | ) |  |  | 7.68 |  |  |  | — |  |  |  | — |
Forfeited/expired |  |  | (109 | ) |  |  | 10.80 |  |  |  | — |  |  |  | — |
Options outstanding as of December 31, 2020 |  |  | 2,234 |  |  |  | 8.71 |  |  |  | 3.5 |  |  |  | 54,133 |
Schedule of outstanding and exercisable stock options |
|  |  | Options Outstanding |  |  | Options Exercisable |
Exercise Prices |  |  | Number of Options Outstanding (in thousands) |  |  | Weighted Average Remaining Life (Years) |  |  | Number of Options Exercisable (in thousands) |  |  | Weighted Average Remaining Life (Years) |  |  | Intrinsic Value (in thousands) |
$ | 5.75 |  |  |  | 210 |  |  |  | 3.14 |  |  |  | 75 |  |  |  | 3.14 |  |  | $ | 2,028 |
| 5.95 |  |  |  | 538 |  |  |  | 2.75 |  |  |  | 292 |  |  |  | 2.75 |  |  |  | 7,866 |
| 6.51 |  |  |  | 261 |  |  |  | 3.39 |  |  |  | 86 |  |  |  | 3.39 |  |  |  | 2,275 |
| 6.65 |  |  |  | 173 |  |  |  | 3.36 |  |  |  | 52 |  |  |  | 3.36 |  |  |  | 1,371 |
| 7.99 |  |  |  | 19 |  |  |  | 3.92 |  |  |  | 3 |  |  |  | 3.92 |  |  |  | 74 |
| 8.07 |  |  |  | 5 |  |  |  | 3.65 |  |  |  | — |  |  |  | — |  |  |  | — |
| 8.17 |  |  |  | 225 |  |  |  | 3.75 |  |  |  | 42 |  |  |  | 3.75 |  |  |  | 1,045 |
| 8.32 |  |  |  | 226 |  |  |  | 3.50 |  |  |  | 64 |  |  |  | 3.50 |  |  |  | 1,580 |
| 8.55 |  |  |  | 179 |  |  |  | 3.75 |  |  |  | 52 |  |  |  | 3.75 |  |  |  | 1,276 |
| 12.76 |  |  |  | 25 |  |  |  | 4.19 |  |  |  | — |  |  |  | — |  |  |  | — |
| 13.12 |  |  |  | 191 |  |  |  | 4.38 |  |  |  | — |  |  |  | — |  |  |  | — |
| 15.12 |  |  |  | 3 |  |  |  | 4.38 |  |  |  | — |  |  |  | — |  |  |  | — |
| 21.70 |  |  |  | 179 |  |  |  | 4.75 |  |  |  | — |  |  |  | — |  |  |  | — |
|  |  |  |  | 2,234 |  |  |  | 3.49 |  |  |  | 666 |  |  |  | 3.14 |  |  |  | 17,515 |
Schedule of unvested stock option activity |
|  | Options (in thousands) |  |  | Weighted Average Grant Date Fair Value |
Nonvested options as of January 1, 2019 |  |  | 845 |  |  | $ | 1.37 |
Granted |  |  | 1,598 |  |  |  | 1.83 |
Vested |  |  | (157 | ) |  |  | 1.39 |
Forfeited |  |  | (307 | ) |  |  | 1.33 |
Nonvested options as of December 31, 2019 |  |  | 1,979 |  |  |  | 1.75 |
Granted |  |  | 488 |  |  |  | 6.93 |
Vested |  |  | (790 | ) |  |  | 1.82 |
Forfeited |  |  | (109 | ) |  |  | 3.65 |
Nonvested options as of December 31, 2020 |  |  | 1,568 |  |  |  | 3.20 |
Schedule of total non-cash stock compensation and the associated line item on the statement of operations |
(in thousands) |  | Years Ended December 31, |
Non-Cash Stock Compensation |  | 2020 |  |  | 2019 |
Cost of revenues |  | $ | 169 |  |  | $ | 663 |
Marketing and sales |  |  | 302 |  |  |  | 4,285 |
General and administrative |  |  | 1,353 |  |  |  | 4,356 |
Research and development |  |  | 361 |  |  |  | 759 |
Total non-cash stock compensation |  | $ | 2,185 |  |  | $ | 10,063 |
Class A common stock [Member] |
Equity Compensation Plans (Tables) [Line Items] |
Schedule of fair market value using Black-Scholes method |
Trading price of common stock on measurement date |  | $ | 6.56 |
Risk free interest rate |  |  | 1.9 | %
Expected life in years |  |  | 3.0 |
Expected volatility |  |  | 36.5 | %
Expected dividend yield |  |  | — |

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