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Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

		December 31,
		2019				2018				2017
Basic and diluted net loss per share (in thousands, except per    share amounts):
Numerator:
Net loss		$	(152,600	)		$	(158,899	)		$	(95,154	)
Preferred stock deemed dividend			(3,267	)			-				-
Net loss allocable to common stockholders		$	(155,867	)		$	(158,899	)		$	(95,154	)
Denominator for basic and diluted net loss per share allocable to    common stockholders:
Weighted-average common shares outstanding			72,024				62,362				52,613
Basic and diluted net loss per share allocable to common stockholders		$	(2.16	)		$	(2.55	)		$	(1.81	)

Outstanding Stock Options and Stock Awards Excluded from Calculation of Net Loss Per Share

		December 31,
		2019				2018				2017
Outstanding securities not included in diluted net loss per    share calculation (in thousands):
Stock options and stock awards			9,789				7,344				5,981
Series B Convertible Preferred Stock (as converted to common stock)			4,840				-				-
Warrants			5,841				-				-

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- References

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- 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://fasb.org/us-gaap/role/ref/legacyRef
-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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- 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://fasb.org/us-gaap/role/ref/legacyRef
-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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