Stock-Based Compensation Expense (Tables)

6 Months Ended

Jun. 30, 2022

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

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
Cost of sales
Nonqualified stock options	$	509	$	318	$	1,097	$	636
Research and development
Nonqualified stock options		450		276		936		555
Selling, general and administrative
Nonqualified stock options		1,207		814		3,131		2,441
Performance-based restricted stock units		1,257		972		2,072		1,703
Restricted stock units		529		385		928		740
Cash-settled performance-based share-based awards ("Liability Awards")		499		372		929		657
Total selling, general and administrative		3,492		2,543		7,060		5,541
Stock-based compensation expense before taxes	$	4,451	$	3,137	$	9,093	$	6,732

Stock Options

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

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

	Six Months Ended
	June 30,
	2022	2021
Risk-free interest rate	1.4% - 3.0%	0.6%
Expected option term	4 years	4 years
Expected dividend yield	—	—
Expected price volatility	46.2% - 47.0%	46.7%

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

	Six Months Ended
	June 30,
	2022	2021
Risk-free interest rate	1.6%	0.1% - 0.3%
Performance period	2.8 years	1.8 - 2.8 years
Expected dividend yield	—	—
Expected price volatility	42.6%	43.7% - 49.3%