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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2024
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Summary of Stock Option Activity | A summary of stock option activity for the three months ended March 31, 2024 is as follows:
|  | Number Outstanding |  |  | Weighted Average Exercise Price per Share |  |  | Weighted Average Remaining Contractual Term (Years) |  |  | Aggregate Intrinsic Value |
Balance as of January 1, 2024 |  |  | 494,960 |  |  | $ | 4.99 |  |  |  | 2.23 |  |  | $ | 1,725,985 |
Granted |  |  | — |  |  |  | — |  |  |  |  |  |  |
Cancelled or Expired |  |  | (7,500 | ) |  |  | 8.97 |  |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  |  |  |  |
Balance as of March 31, 2024 |  |  | 487,460 |  |  | $ | 4.93 |  |  |  | 2.01 |  |  | $ | 1,583,118 |
Vested or expected to vest as of March 31, 2024 |  |  | 487,460 |  |  | $ | 4.93 |  |  |  | 2.01 |  |  | $ | 1,583,118 |
Exercisable as of March 31, 2024 |  |  | 487,460 |  |  | $ | 4.93 |  |  |  | 2.01 |  |  | $ | 1,583,118 |
Summary Information about Stock Options Outstanding | The following table summarizes information about stock options outstanding as of March 31, 2024:
|  | Stock Options Outstanding |  |  | Stock Options Exercisable |
Range of Exercise Prices |  | Number Outstanding |  |  | Weighted Average Remaining Contractual Life (Years) |  |  | Weighted Average Exercise Price |  |  | Number Exercisable |  |  | Weighted Average Exercise Price |
$4.36 - $7.20 |  |  | 446,460 |  |  |  | 2.17 |  |  | $ | 4.37 |  |  |  | 446,460 |  |  | $ | 4.37 |
$10.93 - $16.40 |  |  | 41,000 |  |  |  | 0.25 |  |  |  | 10.93 |  |  |  | 41,000 |  |  |  | 10.93 |
$4.36 - $16.40 |  |  | 487,460 |  |  |  | 2.01 |  |  | $ | 4.93 |  |  |  | 487,460 |  |  | $ | 4.93 |
Summary of Stock Unit Activity | The following is a summary of RSU activity for the three months ended March 31, 2024:
|  | Number Outstanding |  |  | Weighted Average Fair Value |
Unvested as of January 1, 2024 |  |  | 730,062 |  |  | $ | 11.17 |
Granted |  |  | 127,919 |  |  |  | 8.63 |
Vested |  |  | (106,761 | ) |  |  | 10.16 |
Forfeited |  |  | — |  |  |  | — |
Unvested as of March 31, 2024 |  |  | 751,220 |  |  | $ | 10.88 |
RSUs vested but not released |  |  | 65,568 |  |  | $ | 10.72 |
Stock-Based Compensation Expense Related to Stock Options and RSUs | The following table summarizes stock-based compensation expense related to stock options and RSUs included in the condensed consolidated statements of comprehensive income (loss) for the three months ended March 31, 2024 and 2023 (in thousands):
|  | Three Months Ended March 31, |
|  | 2024 |  |  | 2023 |
Cost of revenue |  | $ | 47 |  |  | $ | 45 |
Research and development |  |  | 182 |  |  |  | 202 |
Selling and marketing |  |  | 264 |  |  |  | 293 |
General and administrative |  |  | 526 |  |  |  | 450 |
Total |  | $ | 1,019 |  |  | $ | 990 |

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