Net Income (Loss) per Share Attributable to Common Stockholders

6 Months Ended

Jun. 30, 2014

Net Income (Loss) per Share Attributable to Common Stockholders

6. Net Income (Loss) per Share Attributable to Common Stockholders

The following table sets forth the computation of the unaudited basic and diluted net income (loss) per share attributable to common stockholders (in thousands, except share and per share data):

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
Net income (loss)	$	3,753		$	(891	)	$	682		$	(1,361	)
Noncumulative dividends on convertible preferred stock		(1,099	)		—			(682	)		—
Undistributed earnings allocated to participating securities		(2,139	)		—			—			—
Net income (loss) attributable to common stockholders, basic	$	515		$	(891	)	$	—		$	(1,361	)
Adjustment to undistributed earnings allocated to participating securities		188			—			—			—
Net income (loss) attributable to common stockholders, diluted	$	703		$	(891	)	$	—		$	(1,361	)
Basic shares:
Weighted average common shares outstanding		2,611,259			1,102,093			1,937,509			1,072,583
Diluted shares:
Weighted average effect of dilutive stock options		765,672			—			—			—
Weighted average convertible preferred stock warrants outstanding		527,205			—			—			—
		3,904,136			1,102,093			1,937,509			1,072,583
Net income (loss) per share attributable to common stockholders:
Basic	$	0.20		$	(0.81	)	$	—		$	(1.27	)
Diluted	$	0.18		$	(0.81	)	$	—		$	(1.27	)

The following outstanding shares of common stock equivalents were excluded from the computation of diluted net income (loss) per share attributable to common stockholders for the periods presented because including them would have been antidilutive:

	Three Months Ended  June 30,		Six Months Ended  June 30,
	2014	2013	2014		2013
Convertible preferred stock	—	11,517,222		—		11,517,222
Options to purchase common stock	12,459	1,215,262		1,132,074		1,215,262
Warrants to purchase convertible preferred stock	—	574,953		—		574,953
Total	12,459	13,307,437		1,132,074		13,307,437