XML 34 R23.htm IDEA: XBRL DOCUMENT v3.24.3
STOCK-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2024
STOCK-BASED COMPENSATION  
Schedule of weighted-average assumptions used in Black-Scholes option pricing model

    

Three Months Ended September 30, 

    

Nine Months Ended September 30, 

 

    

2024

    

2023

    

2024

    

2023

Risk-free interest rate

 

4.38

%

 

4.29

%

 

4.38

%  

3.93

%

Expected volatility

 

128.73

%

 

75.26

%

 

128.73

%

 

79.43

%

Expected term (years)

 

5.27

 

5.76

 

5.27

 

5.70

Expected dividend yield

0.00

%

0.00

%

0.00

%

 

0.00

%

Fair value, per share

$

0.84

$

6.40

$

0.84

$

10.17

Schedule of stock-based compensation expense

Total stock-based compensation expense was as follows (in thousands):

    

Three Months Ended

Nine Months Ended

September 30, 

September 30, 

2024

2023

2024

2023

Cost of sales

$

14

$

5

$

23

$

14

Selling, general and administrative

 

1,032

 

330

1,660

989

Research and development

281

68

411

225

Total stock-based compensation expense

$

1,327

$

403

$

2,094

$

1,228