Share-based compensation

9 Months Ended

Sep. 30, 2025

Share-Based Payment Arrangement [Abstract]

12. Share-based compensation

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)	2025		2024		2025		2024
Cost of sales	$	368	$	486	$	1,297	$	1,576
Sales, general, and administrative		6,448		5,341		19,012		21,439
Research and development		365		704		1,165		2,275
Total	$	7,181	$	6,531	$	21,474	$	25,290


	Three Months Ended September 30,				Nine Months Ended September 30,
(Unaudited, U.S. Dollars, in thousands)	2025		2024		2025		2024
Stock options	$	1,389	$	836	$	3,852	$	3,336
Market-based stock options		447		631		1,685		1,457
Time-based restricted stock awards and units		3,371		3,163		9,893		15,290
Market-based / performance-based restricted stock units		1,585		1,398		4,655		3,539
Stock purchase plan		389		503		1,389		1,668
Total	$	7,181	$	6,531	$	21,474	$	25,290

During the three months ended September 30, 2025, and 2024, the Company issued fewer than 0.1 million and 0.2 million shares, respectively, of common stock related to stock purchase plan issuances, stock option exercises, and the vesting of restricted stock awards and units. During each of the nine months ended September 30, 2025, and 2024, the Company issued 1.0 million shares, respectively, of common stock related to stock purchase plan issuances, stock option exercises, and the vesting of restricted stock awards and units.