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Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

		December 31,
		2017				2016				2015
Basic and diluted net loss per share (in thousands, except per share amounts):
Numerator:
Net loss		$	(95,154	)		$	(112,444	)		$	(106,794	)
Denominator for basic and diluted net loss per share:
Weighted-average common shares outstanding			52,613				38,506				32,881
Basic and diluted net loss per share		$	(1.81	)		$	(2.92	)		$	(3.25	)

		December 31,
		2017				2016				2015
Outstanding securities not included in diluted net loss per share calculation (in thousands):
Stock options and stock awards			5,981				4,673				3,086
Total			5,981				4,673				3,086

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- References

No definition available.

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- 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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