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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Summary of Stock-based Compensation Expense Included in Statements of Operations

The following table summarizes the total stock-based compensation expense included in the Company’s statements of operations for the periods presented (in thousands):

 

 

 

Three Months Ended September 30,

 

 

Nine Months Ended September 30,

 

 

 

2021

 

 

2020

 

 

2021

 

 

2020

 

Cost of product sales

 

$

439

 

 

$

495

 

 

$

1,025

 

 

$

2,087

 

Research and development

 

 

5,176

 

 

 

7,953

 

 

 

17,325

 

 

 

23,645

 

Selling, general and administrative

 

 

9,931

 

 

 

12,924

 

 

 

32,385

 

 

 

37,495

 

 

 

$

15,546

 

 

$

21,372

 

 

$

50,735

 

 

$

63,227