XML 42 R36.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Stock-Based Compensation Expense (Tables)
6 Months Ended
Jun. 30, 2024
Effect of Recording Stock-Based Compensation Expense

The effect of recording stock-based compensation (“SBC”) expense for the three and six months ended June 30, 2024 and 2023 is as follows (in thousands):

 

 

 

Three Months Ended
June 30,

 

 

Six Months Ended
June 30,

 

 

 

2024

 

 

2023

 

 

2024

 

 

2023

 

Research and development

 

$

1,093

 

 

$

736

 

 

 

1,902

 

 

 

1,330

 

Selling, general and administrative

 

 

5,499

 

 

 

3,820

 

 

 

9,835

 

 

 

6,866

 

Total stock-based compensation expense

 

$

6,592

 

 

$

4,556

 

 

$

11,737

 

 

$

8,196

 

There were no options granted during the three and six months ended June 30, 2024 and 2023
2020 ESPP  
Schedule of Assumptions Used to Value Awards Granted

Grants under the 2020 ESPP occur in June and December, as discussed in “Note 10 – Stockholders’ Equity”. The following assumptions were used to value the shares for these grants.

 

 

June 2024

 

 

June 2023

 

Expected life (years)

 

 

2.0

 

 

 

2.0

 

Risk-free interest rate

 

 

4.8

%

 

 

4.3

%

Dividend yield

 

 

1.7

%

 

 

2.0

%

Expected volatility

 

 

57.0

%

 

 

63.5

%

Restricted Stock Units  
Schedule of Assumptions Used to Value Awards Granted The following assumptions were used to value the restricted stock units subject to market conditions granted during the six months ended June 30, 2024 and 2023:

 

 

May 2024

 

 

May 2023

 

 

March 2023

 

Expected life (years)

 

 

3.0

 

 

 

3.0

 

 

 

3.0

 

Risk-free interest rate

 

 

4.5

%

 

 

3.6

%

 

 

4.5

%

Dividend yield

 

 

1.8

%

 

 

2.3

%

 

 

1.9

%

Expected volatility

 

 

57.0

%

 

 

63.3

%

 

 

68.5

%