Quarterly report [Sections 13 or 15(d)]

STOCK-BASED COMPENSATION (Tables)

v3.25.3
STOCK-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2025
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):

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Three Months Ended September 30, 

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Nine Months Ended September 30, 

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​

2025

    

2024

​

2025

    

2024

Selling, general and administrative

​

$

2,961

​

$

2,360

​

$

8,172

​

$

9,067

Research and development

​

​

402

​

​

284

​

​

1,791

​

​

1,239

Total stock-based compensation expense

​

$

3,363

​

$

2,644

​

$

9,963

​

$

10,306

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

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Three Months Ended September 30, 

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Nine Months Ended September 30, 

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2025

​

2024

    

2025

​

2024

Risk-free interest rate

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3.9

%  

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3.8

%  

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4.3

%  

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4.1

%

Expected term (in years)

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6.0

​

​

6.0

​

​

6.5

​

​

6.1

​

Dividend yield

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0.0

%  

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0.0

%  

​

0.0

%  

​

0.0

%

Expected volatility

​

91.0

%  

​

88.7

%  

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88.6

%  

​

87.6

%