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Stockholders' Equity (Tables) | 3 Months Ended
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Mar. 31, 2025
Stockholders' Equity Note [Abstract] |
Schedule of Common Stock | In the three months ended March 31, 2025 and 2024, no shares of Class B common stock were converted to Class A common stock. As of March 31, 2025, the par value of the Class A, Class B and Class C shares was $141, $14, and $3, respectively. As of December 31, 2024 the par value of the Class A, Class B and Class C shares was $139, $14 and $3, respectively.
|  |  |  |  | March 31, 2025 |  |  | December 31, 2024 |
|  | Shares Authorized |  |  | Shares Issued and Outstanding |  |  | Shares Issued and Outstanding |
Class A |  |  | 1,000,000,000 |  |  |  | 14,137,621 |  |  |  | 13,922,877 |
Class B |  |  | 100,000,000 |  |  |  | 1,369,518 |  |  |  | 1,369,518 |
Class C |  |  | 200,000,000 |  |  |  | 277,777 |  |  |  | 277,777 |
|  |  | 1,300,000,000 |  |  |  | 15,784,916 |  |  |  | 15,570,172 |
Activity under Plans | Activity under the Plans is as follows:
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (Years) |  |  | Aggregate Intrinsic Value |
Outstanding as of January 1, 2025 |  |  | 427,710 |  |  | $ | 103.49 |  |  |  | 3.7 |  |  | $ | — |
Forfeited |  |  | (12,444 | ) |  | $ | 102.92 |  |  |  |  |  |  |
Outstanding as of March 31, 2025 |  |  | 415,266 |  |  | $ | 103.51 |  |  |  | 3.5 |  |  | $ | — |
Vested and expected to vest as of December 31, 2024 |  |  | 427,351 |  |  | $ | 103.48 |  |  |  | 3.7 |  |  | $ | — |
Vested and expected to vest as of March 31, 2025 |  |  | 414,912 |  |  | $ | 103.50 |  |  |  | 3.5 |  |  | $ | — |
Options exercisable as of December 31, 2024 |  |  | 427,490 |  |  | $ | 103.49 |  |  |  | 3.7 |  |  | $ | — |
Options exercisable as of March 31, 2025 |  |  | 415,046 |  |  | $ | 103.50 |  |  |  | 3.5 |  |  | $ | — |
Summary of Unvested Restricted Stock Unit Activity | Activity for the restricted stock units is as follows:
|  | Shares |  |  | Weighted Average Grant Date Fair Value |
Unvested as of January 1, 2025 |  |  | 1,354,040 |  |  | $ | 30.01 |
Granted |  |  | 730,589 |  |  |  | 10.30 |
Vested |  |  | (137,838 | ) |  |  | 44.29 |
Forfeited |  |  | (136,088 | ) |  |  | 31.09 |
Unvested as of March 31, 2025 |  |  | 1,810,703 |  |  | $ | 20.88 |
Summary of Performance-based Market Condition Share Awards | Activity for the restricted stock units with a market condition is as follows:
|  | Shares |  |  | Weighted Average Grant Date Fair Value |
Unvested as of January 1, 2025 |  |  | 775,880 |  |  | $ | 39.51 |
Cancelled/Forfeited |  |  | (20,578 | ) |  |  | 43.73 |
Unvested as of March 31, 2025 |  |  | 755,302 |  |  | $ | 39.40 |
Schedule of Fair Value of Liability Awards Estimated using Various Assumptions, to Grant Date Fair Value of Liability Awards Valued with Inputs | The fair value of the Liability Awards is estimated using a Monte Carlo simulation model which uses various assumptions, t he grant date fair value of the first annual tranche of the Liability Awards, granted on February 5, 2025, was $590. For the three months ended March 31, 2025 the Liability Awards were valued with the following inputs:
|  | Three Months Ended March 31, |
|  | 2025 |
Risk-free rate |  | Various |
Term to end of performance period (yrs) |  |  | 0.56 |
Baseline Stock Price |  | $ | 10.17 |
Expected volatility |  |  | 95 | %
Expected dividend yield |  |  | 0 | %
Stock-Based Compensation Expense | Stock-based compensation expense, related to all of the Company's stock-based awards, was classified in the condensed consolidated statements of operations and comprehensive loss as follows:
|  | Three Months Ended March 31, |
|  | 2025 |  |  | 2024 |
Cost of revenues |  | $ | 263 |  |  | $ | 397 |
Research and development |  |  | 1,610 |  |  |  | 2,009 |
Selling and marketing |  |  | 607 |  |  |  | 1,778 |
General and administrative |  |  | 5,206 |  |  |  | 12,044 |
Total |  | $ | 7,686 |  |  | $ | 16,228 |

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