Stock-Based Compensation Expense (Tables)

9 Months Ended

Sep. 30, 2024

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Stock-based compensation expense before income tax expense for the three and nine-month periods ended September 30, 2024 and 2023 consisted of the following (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2024		2023		2024		2023
Cost of sales
Nonqualified stock options	$	150	$	367	$	875	$	1,240
Research and development
Nonqualified stock options		440		488		1,221		1,329
Selling, general and administrative
Nonqualified stock options		1,442		2,083		4,689		5,304
Performance-based restricted stock units		2,884		1,838		7,648		4,470
Restricted stock units		1,074		430		2,792		1,341
Cash-settled performance-based awards		723		591		1,733		1,662
Total selling, general and administrative		6,123		4,942		16,862		12,777
Stock-based compensation expense before taxes	$	6,713	$	5,797	$	18,958	$	15,346

Employee Stock Option

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

	Nine Months Ended
	September 30,
	2023
Risk-free interest rate	3.6% - 4.6%
Expected option term	4.0 years
Expected dividend yield	—
Expected price volatility	44.6% - 47.1%

Stock-Settled Performance-Based Restricted Stock Units

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

	Nine Months Ended
	September 30,
	2024	2023
Risk-free interest rate	4.4%	3.9% - 4.6%
Performance period	2.8 years	2.8 years
Expected dividend yield	—	—
Expected price volatility	31.1%	31.4% - 32.6%