Year Ended December 31,

2014

2013

2012

Numerator:

Net income

$

35,495

$

22,898

$

15,756

Denominator:

Weighted-average outstanding shares used to compute basic net income per share

38,686

37,387

34,871

Effect of dilutive securities

1,107

1,233

1,376

Weighted-average outstanding shares used to compute diluted net income per share

39,793

38,620

36,247

Net income per share:

Basic

$

0.92

$

0.61

$

0.45

Diluted

$

0.89

$

0.59

$

0.43