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Net Income (Loss) per Common Share (Tables)

12 Months Ended

Dec. 31, 2016

Components of Basic and Diluted Net Income (Loss) Per Common Share Computations

The following tables summarize the components of the basic and diluted net income (loss) per common share computations:

		Year Ended December 31,
		2016				2015				2014
		(In thousands, except per share data)
Basic EPS:
Net income (loss) (numerator)		$	125,664			$	(368,445	)		$	(198,382	)
Weighted average common shares (denominator)			92,053				81,233				77,045
Net income (loss) per share		$	1.37			$	(4.54	)		$	(2.57	)
Diluted EPS:
Net income (loss) (numerator)		$	125,664			$	(368,445	)		$	(198,382	)
Weighted average common shares			92,053				81,233				77,045
Effect of dilutive securities — common shares issuable			32				—				—
Adjusted weighted average common shares (denominator)			92,085				81,233				77,045
Net income (loss) per share		$	1.36			$	(4.54	)		$	(2.57	)

Potential Dilutive Securities Outstanding that are Considered Antidilutive

Potentially dilutive securities outstanding that are considered antidilutive are summarized as follows (in shares):

		December 31,
		2016				2015				2014
Exercise of common stock options			5,530,256				3,955,845				4,308,332
Conversion of senior convertible notes into common stock			814,561				814,561				3,464,616
Exercise of common stock warrants			9,740,597				814,919				1,997,575
Vesting of restricted stock units			702,867				360,924				522,144
			16,788,281				5,946,249				10,292,667

X

- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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X

- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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