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Stock-based Compensation (Tables)
 12 Months Ended
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity

The Company’s stock option activity for the year ended December 31, 2025 was as follows (in thousands, except years and per share data):

   
Number of
Stock Options
    
Weighted-
Average
Exercise
Price
  
Weighted-
Average
Remaining
Contractual
Life (Years)
  
Aggregate
Intrinsic Value
  
Outstanding as of December 31, 2024
    
412,207
    
$
24.84
          
Granted
    
—
      
—
          
Exercised
    
—
      
—
          
Cancelled/Forfeited
    
(56,675
)
    
25.05
          
Outstanding as of December 31, 2025
    
355,532
      
24.81
      
2.55
    
$
—
  
Vested and exercisable as of December 31, 2025
    
355,532
      
24.81
      
2.55
      
—
  
Vested and expected to vest as of December 31, 2025
    
355,532
      
24.81
      
2.55
      
—
  
Schedule of Company's Time-Based RSUs and Performance-Based and Other RSUs

The Company’s Time-Based RSUs and Performance-Based and Other RSUs activity for the year ended December 31, 2025 was as follows:
 
   
Time-Based RSUs
    
Performance-Based and Other RSUs
  
   
Shares
    
Weighted Average
Grant Date Fair
Value per Share
    
Shares
    
Weighted Average
Grant Date Fair
Value per Share
  
Outstanding as of December 31, 2024
    
1,765,668
    
$
56.60
      
864
    
$
231.30
  
Granted
    
5,046,130
      
3.53
      
—
      
—
  
Forfeited
    
(1,091,655
)
    
35.51
      
(864
)
    
231.30
  
Vested
    
(3,969,465
)
    
14.15
      
—
      
—
  
Outstanding as of December 31, 2025
    
1,750,678
      
13.06
      
—
      
—
  


Activity of the Company’s management awards that include market conditions described above for the year ended December 31, 2025 was as follows:

   
Shares
    
Weighted Average
Grant Date Fair
Value per Share
  
Outstanding as of December 31, 2024
    
915,831
    
$
106.99
  
Granted
    
820,379
      
2.96
  
Forfeited
    
(573,164
)
    
116.81
  
Change in units based on performance
    
(226,000
)
    
136.22
  
Vested
    
—
      
—
  
Outstanding as of December 31, 2025
    
937,046
      
2.85
  
Schedule of Stock-based Compensation Expense

Stock-based compensation expense by function was as follows (in thousands):

   
Year Ended December 31,
  
   
2025
    
2024
    
2023
  
Cost of sales
  
$
3,600
    
$
6,090
    
$
9,163
  
Research and development
    
17,018
      
51,231
      
65,840
  
Sales and marketing
    
3,870
      
16,094
      
27,577
  
General and administrative
    
(15,478
)
    
63,165
      
104,552
  
Stock-based compensation related to restructuring
    
(304
)
    
2,555
      
—
  
Total
  
$
8,706
    
$
139,135
    
$
207,132
  

Stock-based compensation expense by type of award was as follows (in thousands):

   
Year Ended December 31,
  
   
2025
    
2024
    
2023
  
Equity Classified Awards:
                  
Stock options
  
$
—
    
$
369
    
$
2,197
  
RSAs
    
—
      
—
      
61
  
RSUs
    
34,497
      
92,398
      
138,820
  
Management awards
    
(27,142
)
    
21,387
      
22,808
  
ESPP
    
379
      
845
      
1,313
  
Stock-based compensation related to restructuring
    
(304
)
    
2,555
      
—
  
Liability Classified Awards:
                        
Equity-settled fixed value
    
4,815
      
14,530
      
16,691
  
Optogration
    
—
      
—
      
6,079
  
Freedom Photonics
    
(2,250
)
    
3,212
      
11,965
  
Other
    
(1,289
)
    
3,839
      
7,198
  
Total
  
$
8,706
    
$
139,135
    
$
207,132