Three Months Ended

Six Months Ended

June 30,

2019

2018

2019

2018

(in thousands)

Numerator:

Net income (loss) attributable to common stockholders, basic and diluted

$

216

$

2,115

$

(4,937)

$

(1,114)

Denominator:

Weighted average common stock, basic

44,041

41,961

43,786

41,645

Effect of dilutive stock options

191

472

—

Effect of dilutive RSUs

146

2,786

—

Weighted average common stock, diluted

44,378

45,219

43,786

41,645

Net income (loss) per share attributable to common stockholders:

Basic

$

0.00

$

0.05

$

(0.11)

$

(0.03)

Diluted

$

0.00

0.05

$

(0.11)

(0.03)