Three Months Ended June 30,

Six Months Ended June 30,

2015

2014

2015

2014

Numerator:

Net income

$

7,899

$

6,397

$

13,862

$

15,415

Denominator:

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

39,570

38,684

39,337

38,577

Effect of dilutive securities

1,175

924

1,333

986

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

40,745

39,608

40,670

39,563

Net income per share:

Basic

$

0.20

$

0.17

$

0.35

$

0.40

Diluted

$

0.19

$

0.16

$

0.34

$

0.39