Net Income per Share

3 Months Ended

Mar. 31, 2013

Net Income per Share

(2) Net Income per Share

The following table sets forth the computation of basic and diluted net income per share attributable to Common Stockholders:

	Three Months Ended March 31,
	2012			2013
Numerator (basic and diluted):
Net income	$	2,010		$	4,636
Less: accretion of redemption premium expense		(1,523	)		—
Net income attributable to common stockholders for basic EPS	$	487		$	4,636
Add back: accretion of redemption premium related to dilutive redeemable preferred stock		(174	)		—
Net income attributable to common stockholders for diluted EPS	$	313		$	4,636
Denominator (basic):
Weighted average common shares outstanding		1,546			32,226
Denominator (diluted):
Weighted average common shares outstanding		1,546			32,226
Dilutive stock options		916			1,615
Weighted average common shares from stock warrants		2,425			—
Weighted average common shares from preferred stock		12,099			—
Net weighted average common shares outstanding		16,986			33,841
Net income per share attributable to holders of common stock:
Basic	$	0.32		$	0.14
Diluted	$	0.02		$	0.14

Diluted net income per share does not include the effect of the following anti-dilutive common equivalent shares (in thousands):

	Three Months Ended March 31,
	2012		2013
Stock options outstanding		210		19
Common shares from convertible preferred stock		5,588		—
Total common stock equivalents		5,798		19