Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Tables)

v3.23.3
STOCK-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of stock-based compensation

Stock-based compensation for the periods presented was as follows (in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Three Months Ended September 30, 

​

Nine Months Ended September 30, 

​

​

2023

    

2022

​

2023

    

2022

Selling, general and administrative

​

$

1,596

​

$

2,119

​

$

5,127

​

$

6,791

Research and development

​

​

347

​

​

588

​

​

1,746

​

​

1,514

Total stock-based compensation expense

​

$

1,943

​

$

2,707

​

$

6,873

​

$

8,305

Employee Stock Option [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of weighted-average assumptions relating to options granted pursuant to equity incentive plans

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Three Months Ended September 30, 

​

Nine Months Ended September 30, 

​

    

2023

    

2022

    

    

2023

    

2022

 

Risk-free interest rate

​

4.3

%  

3.0

%  

​

3.8

%  

1.9

%

Expected term (in years)

​

6.0

​

6.1

​

​

6.9

​

6.5

​

Dividend yield

​

0.0

%  

0.0

%  

​

0.0

%  

0.0

%

Expected volatility

​

86.7

%  

80.9

%  

​

83.4

%  

70.5

%