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Basic and Diluted Net Loss per Common Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of Reconciliation of the Numerator and Denominator Used in Computing Basic and Diluted Net Loss Per Common Share

The following table provides a reconciliation of the numerator and denominator used in computing basic and diluted net loss attributable to common stockholders per common share:

						Years Ended December 31,
(in thousands, except per share amounts)						2020						2019						2018
Numerator:
Net loss attributable to common stockholders						$	(276,852)					$	(356,388)					$	(348,995)
Denominator:
Weighted average common shares outstanding — basic and diluted						258,867,380						240,421,001						185,790,021

Schedule of Potential Shares of Common Stock that were Excluded from the Computation as they were Anti-Dilutive Using the Treasury Stock Method

The table below presents potential shares of common stock that were excluded from the computation as they were anti-dilutive using the treasury stock method:

						Years ended December 31,
(in thousands)						2020						2019						2018
Options to purchase common stock						14,032						16,724						15,810
Convertible notes						462						462						40,850
Outstanding warrants, convertible to common stock						2,555						2,555						2,657
Unvested restricted stock units						7,080						5,792						3,712
Total number of potentially issuable shares						24,129						25,533						63,029

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- References

No definition available.

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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://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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