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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2023
Stock-Based Compensation.  
Schedule summarizing the allocation of stock-based compensation

The following table summarizes the allocation of stock-based compensation related to stock options and RSUs in the accompanying condensed consolidated statements of operations (in thousands):

Three Months Ended

Nine Months Ended

September 30, 

September 30, 

    

2023

    

2022

    

2023

    

2022

  

Cost of sales

$

591

$

492

$

1,579

$

1,419

Selling, general and administrative

6,802

6,443

19,868

18,699

Research and development

3,091

2,476

9,094

6,755

Total

$

10,484

$

9,411

$

30,541

$

26,873