Stock-Based Compensation Expense (Tables)

3 Months Ended

Mar. 31, 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-month periods ended March 31, 2024 and 2023 consisted of the following (in thousands):

	Three Months Ended
	March 31,
	2024		2023
Cost of sales
Nonqualified stock options	$	362	$	441
Research and development
Nonqualified stock options		436		428
Selling, general and administrative
Nonqualified stock options		1,682		1,370
Performance-based restricted stock units		1,867		815
Restricted stock units		587		444
Cash-settled performance-based awards		300		471
Total selling, general and administrative		4,436		3,100
Stock-based compensation expense before taxes	$	5,234	$	3,969

Employee Stock Option [Member]

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

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

	Three Months Ended
	March 31,
	2023
Risk-free interest rate	3.7% - 4.5%
Expected option term	4.0 years
Expected dividend yield	—
Expected price volatility	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

	Three Months Ended
	March 31,
	2024	2023
Risk-free interest rate	4.4%	4.6%
Performance period	2.8 years	2.8 years
Expected dividend yield	—	—
Expected price volatility	31.1%	32.6%