Note 6 - Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Numerator:
Net income	$	114,679	$	55,169	$	194,245	$	100,582
Denominator:
Weighted-average outstanding shares - basic		46,675		45,796		46,550		45,647
Effect of dilutive securities		1,611		1,958		1,718		2,085
Weighted-average outstanding shares - diluted		48,286		47,754		48,268		47,732
Net income per share:
Basic	$	2.46	$	1.20	$	4.17	$	2.20
Diluted	$	2.37	$	1.16	$	4.02	$	2.11