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Note 3 - Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2025

Notes Tables

Share-Based Payment Arrangement, Cost by Plan [Table Text Block]

		*Three Months Ended June 30,*								*Six Months Ended June 30,*
		*2025*				*2024*				*2025*				*2024*
Cost of revenue		$	1,913			$	1,611			$	3,586			$	3,009
Research and development (“R&D”)			12,469				11,682				24,147				22,129
Selling, general and administrative (“SG&A”)			45,716				39,013				85,171				73,094
Total stock-based compensation expense		$	60,098			$	52,306			$	112,904			$	98,232
Tax benefit related to stock-based compensation (1)		$	703			$	798			$	1,163			$	1,506

Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

		*Time-Based RSUs*								*PSUs and MPSUs*									*MSUs*								*Total*
						*Weighted-*									*Weighted-*								*Weighted-*								*Weighted-*
						*Average*									*Average*								*Average*								*Average*
						*Grant Date*									*Grant Date*								*Grant Date*								*Grant Date*
		*Number of*				*Fair Value*				*Number of*					*Fair Value*				*Number of*				*Fair Value*				*Number of*				*Fair Value*
		*Shares*				*Per Share*				*Shares*					*Per Share*				*Shares*				*Per Share*				*Shares*				*Per Share*
Outstanding at January 1, 2025			85			$	516.12				681				$	524.08				938			$	203.32				1,704			$	347.01
Granted			32			$	635.87				269		⁽¹⁾		$	565.99				-			$	-				301			$	573.03
Vested			(27	)		$	471.70				(37	)			$	399.91				-			$	-				(64	)		$	430.10
Forfeited			(4	)		$	555.89				(4	)			$	524.36				(10	)		$	297.97				(18	)		$	399.27
Outstanding at June 30, 2025			86			$	573.19				909				$	540.24				928			$	202.27				1,923			$	378.58