Note 6 - Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Numerator:
Net income	$	124,337	$	68,770	$	318,582	$	169,352
Denominator:
Weighted-average outstanding shares - basic		46,829		45,970		46,643		45,754
Effect of dilutive securities		1,520		1,882		1,652		2,018
Weighted-average outstanding shares - diluted		48,349		47,852		48,295		47,772
Net income per share:
Basic	$	2.66	$	1.50	$	6.83	$	3.70
Diluted	$	2.57	$	1.44	$	6.60	$	3.55