Note 6 - Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Numerator:
Net income	$	55,566	$	29,528	$	121,488	$	76,402
Denominator:
Weighted-average outstanding shares - basic		44,970		43,308		44,737		43,055
Effect of dilutive securities		1,985		2,525		2,082		2,461
Weighted-average outstanding shares - diluted		46,955		45,833		46,819		45,516
Net income per share:
Basic	$	1.24	$	0.68	$	2.72	$	1.77
Diluted	$	1.18	$	0.64	$	2.59	$	1.68