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Share-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of stock option activity
The following table summarizes the Company’s stock option activity:
Shares
Weighted Average Exercise PriceWeighted Average Remaining Contractual Term (in years)Aggregate Intrinsic Value
(in thousands)
Outstanding - January 1, 2024
3,732,420 $14.00 6.73$— 
Granted — — 
Exercised
— — 
Forfeited(141,900)17.54 
Expired(107,450)21.28 
Outstanding - December 31, 2024
3,483,070 13.64 5.29— 
Vested and Exercisable - December 31, 2024
2,769,240 13.60 5.01— 
Options vested and expected to vest - December 31, 2024
3,483,070 $13.64 5.29$— 
Schedule of valuation assumptions The fair value of PSUs was determined using a Monte Carlo simulation subject to the performance conditions of the underlying PSUs with the following assumptions:
Input2024 Grants2023 Grants2022 Grants
Risk-free interest rate
4.5%
3.5%
1.5% - 4.2%
Expected volatility of the Company’s Class A Common Stock
101.5%
74.9%
57.7% - 66.0%
Schedule of unvested share activity
The following table summarizes the Company’s RSU and PSU activity for the year ended December 31, 2024:
Weighted Average Grant Date Fair Value
RSU Shares
PSU Shares
RSU
PSU
Outstanding - January 1, 2024
5,242,680 1,306,558 $8.77 $9.13 
Granted 6,421,618 1,258,112 3.17 5.27 
Vested (2,407,671)— 7.69 — 
Forfeited(2,002,236)(375,097)6.68 9.80 
Cancelled(1)
— (951,751)— 7.93 
Outstanding - December 31, 2024
7,254,391 1,237,822 $4.56 $5.93 
Schedule of share based compensation
Share-based compensation expense was as follows for the periods indicated:

Year Ended December 31,
(in thousands)202420232022
Cost of sales$52 $1,513 839 
Selling and marketing7,716 7,962 9,363 
Research and development345 1,425 602 
General and administrative18,583 11,644 17,691 
Total share-based compensation
$26,696 $22,544 $28,495