Components of share-based compensation expense are as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
(Unaudited, U.S. Dollars, in thousands)	2026		2025		2026		2025
Cost of sales	$	462	$	468	$	793	$	929
Sales, general, and administrative		6,864		6,915		12,722		12,564
Research and development		409		441		753		800
Total	$	7,735	$	7,824	$	14,268	$	14,293


	Three Months Ended June 30,				Six Months Ended June 30,
(Unaudited, U.S. Dollars, in thousands)	2026		2025		2026		2025
Stock options	$	1,857	$	1,594	$	3,088	$	2,463
Market-based stock options		90		592		277		1,238
Time-based restricted stock units		3,581		3,528		6,466		6,522
Market-based / performance-based restricted stock units		1,829		1,650		3,623		3,070
Stock purchase plan		378		460		814		1,000
Total	$	7,735	$	7,824	$	14,268	$	14,293

During the three months ended June 30, 2026, and 2025, the Company issued 0.3 million and 0.4 million shares, respectively, of common stock related to stock purchase plan issuances, stock option exercises, and the vesting of restricted stock units. During the six months ended June 30, 2026, and 2025, the Company issued 0.9 million and 1.0 million shares, respectively, of common stock related to stock purchase plan issuances, stock option exercises, and the vesting of restricted stock units.