Note 6 - Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Numerator:
Net income	$	30,167	$	20,693	$	65,922	$	46,874
Denominator:
Weighted-average outstanding shares - basic		44,785		43,109		44,620		42,929
Effect of dilutive securities		2,046		2,374		2,130		2,429
Weighted-average outstanding shares - diluted		46,831		45,483		46,750		45,358
Net income per share:
Basic	$	0.67	$	0.48	$	1.48	$	1.09
Diluted	$	0.64	$	0.45	$	1.41	$	1.03