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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2019
Stock-Based Compensation  
Schedule of allocation of share based compensation

The Company recorded stock-based compensation expense in the following expense categories of its condensed consolidated statements of operations and comprehensive loss (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended September 30, 

 

Nine Months Ended September 30, 

 

    

2019

    

2018

    

2019

    

2018

Research and development expenses

 

$

2,195

 

$

1,347

 

$

6,798

 

$

2,331

General and administrative expenses

 

 

8,163

 

 

8,540

 

 

23,642

 

 

16,071

 

 

$

10,358

 

$

9,887

 

$

30,440

 

$

18,402