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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Stock-based Compensation Expense | Total estimated stock-based compensation expense for employees and non-employees, related to all of the Company’s stock-based awards, was as follows:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
|  | (in thousands) |
Cost of revenue |  | $ | 146 |  |  | $ | (105 | ) |  | $ | 268 |  |  | $ | 382 |
Selling and marketing |  |  | 581 |  |  |  | 415 |  |  |  | 1,518 |  |  |  | 1,192 |
Research and development |  |  | 395 |  |  |  | 329 |  |  |  | 1,068 |  |  |  | 926 |
General and administrative |  |  | 1,086 |  |  |  | 859 |  |  |  | 2,921 |  |  |  | 2,725 |
Total stock-based compensation |  | $ | 2,208 |  |  | $ | 1,498 |  |  | $ | 5,775 |  |  | $ | 5,225 |
Stock Activity and Total Number of Shares Available for Grant | The following table presents the stock activity and the total number of shares available for grant as of September 30, 2022:
|  | (in thousands) |
Balance at December 31, 2021 |  |  | 998 |
Options Cancelled |  |  | 51 |
Restricted Stock Granted |  |  | (491 | )
Restricted Stock Forfeited |  |  | 100 |
Performance Shares Unearned |  |  | 7 |
Performance Shares Granted |  |  | (167 | )
Balance at September 30, 2022 |  |  | 498 |
Stock Option Activity |
|  | Options Outstanding |
|  | Number of Shares Underlying Outstanding Options |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Contractual Term |  |  | Aggregate Intrinsic Value |
|  |  |  |  |  |  |  | (in years) |  |  |  |
Outstanding at December 31, 2021 |  |  | 1,739,240 |  |  | $ | 7.72 |  |  |  | 7.02 |  |  | $ | 25,542,823 |
Options Granted |  |  | - |  |  |  | - |  |  |  |  |  |  |
Options Exercised |  |  | (85,429 | ) |  |  | 7.32 |  |  |  |  |  |  |
Options Forfeited |  |  | (51,038 | ) |  |  | 9.32 |  |  |  |  |  |  |
Outstanding at September 30, 2022 |  |  | 1,602,773 |  |  | $ | 7.69 |  |  |  | 6.17 |  |  | $ | 2,138,611 |
Vested and expected to vest at September 30, 2022 |  |  | 1,593,677 |  |  | $ | 7.76 |  |  |  | 6.16 |  |  | $ | 2,133,249 |
Exercisable at September 30, 2022 |  |  | 1,213,781 |  |  | $ | 7.46 |  |  |  | 5.79 |  |  | $ | 1,950,309 |
Restricted stock awards |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Restricted Stock Activity |
|  | Shares |  |  | Weighted Average Grant Date Fair Value Per Share |
Nonvested restricted stock at December 31, 2021 |  |  | 788,454 |  |  | $ | 16.81 |
Granted |  |  | 491,173 |  |  |  | 21.04 |
Vested |  |  | (275,229 | ) |  |  | 16.06 |
Shares forfeited |  |  | (100,315 | ) |  |  | 19.97 |
Nonvested restricted stock at September 30, 2022 |  |  | 904,083 |  |  | $ | 18.99 |

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