Net Income (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Income (Loss) Per Share

The computation of basic and diluted net income (loss) attributable to common stockholders per share consists of the following:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands, except share and per share data)
Numerator:
Net income (loss)	$	(2,412	)	$	(12,703	)	$	(63,607	)	$	(30,660	)
Deemed dividends on participating preferred stock (inclusive of issuance costs and changes in redemption value, including extinguishment):
Series B		—			—			—			29,622
Series A		—			—			—			55,543
Total preferred stock deemed dividends		—			—			—			85,165
Earnings attributable to participating convertible preferred stock shareholders and Series C preferred stock warrant holders		—			—			—			(52,309	)
Net income (loss) attributable to common stockholders	$	(2,412	)	$	(12,703	)	$	(63,607	)	$	2,196
Denominator:
Weighted average shares outstanding, basic		22,997,060			3,137			8,762,866			3,137
Effect of warrants to purchase common stock		—			—			—			121
Weighted average shares outstanding, diluted		22,997,060			3,137			8,762,866			3,258
Net income (loss) attributable to common stockholders per share, basic	$	(0.10	)	$	(4,049.41	)	$	(7.26	)	$	700.03
Effect of warrants to purchase common stock		—			—			—			(25.93	)
Net income (loss) attributable to common stockholders per share, diluted	$	(0.10	)	$	(4,049.41	)	$	(7.26	)	$	674.10

Summary of Potential Dilutive Common Shares Excluded from Computation of Diluted Net Income (Loss) Attributable to Common Stockholders Per Common Share

Potential dilutive common shares that were excluded from the computation of diluted net income (loss) attributable to common stockholders per share because they were anti-dilutive consist of the following:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Series C (including Series C warrants) (a)		—		104,734		—		—
Series B (a)		—		2,905		—		—
Series A (a)		—		8,389		—		—
Common stock options		1,031,017		281		1,031,017		281
Restricted common stock units		318,517		—		318,517		—
Common stock warrants		131		—		131		—
Total		1,349,665		116,309		1,349,665		281

(a) Common stock equivalent reflecting conversion.