Note 6 - Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

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

	Three Months Ended March 31,
	2020		2019
Numerator:
Net income	$	35,756	$	26,181
Denominator:
Weighted-average outstanding shares - basic		44,455		42,749
Effect of dilutive securities		2,215		2,483
Weighted-average outstanding shares - diluted		46,670		45,232
Net income per share:
Basic	$	0.80	$	0.61
Diluted	$	0.77	$	0.58