Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.21.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Stock-Based Compensation  
Schedule of stock-based compensation related to all of the entity's share-based payments

Total stock-based compensation related to all of our share-based payments that we recognized for the three months ended March 31, 2021 and 2020 were as follows (in thousands):

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Three Months Ended 

​

​

March 31, 

​

​

2021

    

2020

Selling, general and administrative

​

$

2,053

​

$

1,330

Research and development

​

​

586

​

​

694

Total stock-based compensation expense

​

$

2,639

​

$

2,024

Summary of weighted-average assumptions relating to options granted pursuant to equity incentive plans

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​

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​

​

​

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Three Months Ended 

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​

​

March 31, 

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​

    

2021

    

2020

    

Risk-free interest rate

​

1.0

%  

1.3

%  

Expected term (in years)

​

6.5

​

6.5

​

Dividend yield

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0.0

%  

0.0

%  

Expected volatility

​

70.6

%  

65.4

%