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Share-based compensation (Tables)
 9 Months Ended
Sep. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Components of Share-Based Compensation Expense

Components of share-based compensation expense are as follows:

 

 

 

Three Months Ended
September 30,

 

 

Nine Months Ended
September 30,

 

(Unaudited, U.S. Dollars, in thousands)

 

2024

 

 

2023

 

 

2024

 

 

2023

 

Cost of sales

 

$

486

 

 

$

463

 

 

$

1,576

 

 

$

1,416

 

Sales and marketing

 

 

1,319

 

 

 

2,092

 

 

 

4,422

 

 

 

6,892

 

General and administrative

 

 

4,022

 

 

 

2,832

 

 

 

17,017

 

 

 

21,103

 

Research and development

 

 

704

 

 

 

887

 

 

 

2,275

 

 

 

3,129

 

Total

 

$

6,531

 

 

$

6,274

 

 

$

25,290

 

 

$

32,540

 

 

 

 

Three Months Ended
September 30,

 

 

Nine Months Ended
September 30,

 

(Unaudited, U.S. Dollars, in thousands)

 

2024

 

 

2023

 

 

2024

 

 

2023

 

Stock options

 

$

836

 

 

$

1,429

 

 

$

3,336

 

 

$

6,582

 

Market-based stock options

 

 

631

 

 

 

—

 

 

 

1,457

 

 

 

—

 

Time-based restricted stock awards and units

 

 

3,163

 

 

 

4,263

 

 

 

15,290

 

 

 

24,344

 

Market-based / performance-based restricted stock units

 

 

1,398

 

 

 

54

 

 

 

3,539

 

 

 

167

 

Stock purchase plan

 

 

503

 

 

 

528

 

 

 

1,668

 

 

 

1,447

 

Total

 

$

6,531

 

 

$

6,274

 

 

$

25,290

 

 

$

32,540