Note 7 - Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Numerator:
Net income	$	29,528	$	31,568	$	76,402	$	77,630
Denominator:
Weighted-average outstanding shares - basic		43,308		42,362		43,055		42,173
Effect of dilutive securities		2,525		2,307		2,461		2,277
Weighted-average outstanding shares - diluted		45,833		44,669		45,516		44,450
Net income per share:
Basic	$	0.68	$	0.75	$	1.77	$	1.84
Diluted	$	0.64	$	0.71	$	1.68	$	1.75