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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Stock Options, Valuation Assumptions | The weighted average assumptions used in our Black-Scholes option pricing model for options granted in 2023 and 2022 were as follows:
|  | 2023 |  | 2022
Dividend yield |  | 0.71% - 0.83% |  | 0.40% - 0.56%
Expected volatility |  | 58.16 | % |  | 58.14 | %
Risk-free interest rate |  | 3.60% - 4.10% |  | 1.93% - 2.89%
Expected term in years |  | 6.0 years |  | 6.5 years
Stock Options, Activity | The following table summarizes activity related to stock options during 2024:
|  | Number of Options |  | Weighted- Average Exercise Price Per Share |  | Aggregate Intrinsic Value (thousands) |  | Weighted Average Remaining Term (Years)
Outstanding at December 31, 2023 |  | 2,027,611 |  |  | $ | 11.27 |  |  |  |  |
Granted |  | — |  |  | — |  |  |  |  |
Exercised |  | — |  |  | — |  |  |  |  |
Forfeited or expired |  | (34,939) |  |  | 6.94 |  |  |  |  |
Outstanding at December 31, 2024 |  | 1,992,672 |  |  | $ | 11.34 |  |  | $ | — |  |  | 5.5 years
Vested and Expected to vest as of December 31, 2024 |  | 1,992,672 |  |  | $ | 11.34 |  |  | $ | — |  |  | 5.5 years
Exercisable at December 31, 2024 |  | 1,611,366 |  |  | $ | 12.25 |  |  | $ | — |  |  | 5.0 years
A summary of the status and changes of unvested stock options and the related average price per share follows:
|  | Number of Options |  | Weighted- Average Grant Date Fair Value
Outstanding unvested as of December 31, 2023 |  | 582,994 |  |  | $ | 4.04 |
Granted |  | — |  |  | — |
Vested |  | (174,225) |  |  | 3.87 |
Forfeited |  | (27,463) |  |  | 4.01 |
Outstanding unvested as of December 31, 2024 |  | 381,306 |  |  | $ | 4.12 |
Schedule of Nonvested Restricted Stock Units Activity | A summary of the status and changes of unvested but outstanding shares subject to RSU awards for employees and the related average price per share follows:
|  | Number of Shares |  | Weighted- Average Grant Date Fair Value
Outstanding unvested as of December 31, 2023 |  | 885,365 |  |  | $ | 7.18 |
Granted |  | 3,299,462 |  |  | 1.80 |
Cancelled |  | (322,093) |  |  | 3.36 |
Vested |  | (263,661) |  |  | 6.92 |
Outstanding unvested as of December 31, 2024 |  | 3,599,073 |  |  | $ | 2.61 |
Share-Based Payment Arrangement, Restricted Stock Unit, Activity | The following table summarizes RSU and DRSU activity during 2024 for our non-employee directors:
|  | Number of Shares |  | Weighted- Average Grant Date Fair Value
Outstanding as of December 31, 2023 |  | 130,923 |  |  | $ | 4.25 |
Granted |  | 395,480 |  |  | 1.72 |
Vested and delivered |  | (136,965) |  |  | 2.15 |
Outstanding vested and deferred as of December 31, 2024 |  | 389,438 |  |  | $ | 2.42 |
Schedule of Nonvested Performance-Based Units Activity | The following table summarizes the activity related to PSUs during 2024:
|  | Number of Shares |  | Weighted- Average Grant Date Fair Value
Outstanding as of December 31, 2023 |  | 348,015 |  |  | $ | 7.23 |
Granted |  | 1,477,084 |  |  | 1.06 |
Vested |  | — |  |  | — |
Forfeited |  | (67,268) |  |  | 3.88 |
Outstanding as of December 31, 2024 |  | 1,757,831 |  |  | $ | 2.17 |
Schedule of Deferred Share Units | The following table summarizes DSU activity during 2024:
|  | Number of Shares |  | Weighted- Average Grant Date Fair Value
Outstanding as of December 31, 2023 |  | 377,540 |  |  | $ | 6.52 |
Granted |  | 262,906 |  |  | 1.30 |
Distributed |  | (109,334) |  |  | 6.44 |
Outstanding vested and deferred as of December 31, 2024 |  | 531,112 |  |  | $ | 3.95 |

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