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Earnings Per Common Share ("EPS") (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Components of Basic and Diluted EPS Computations

The following tables summarize the components of the basic and diluted EPS computations (in thousands, except per share amounts):

		Year Ended December 31,
		2020				2019
EPS — basic and diluted:
Net loss (numerator)		$	(57,240	)		$	(51,903	)
Weighted average common shares (denominator)			222,585				195,584
Net loss per share		$	(0.26	)		$	(0.27	)

Potential Dilutive Securities Outstanding that are Considered Antidilutive

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

		Year Ended December 31,
		2020				2019
Exercise of common stock options			12,264,616				14,135,681
Conversion of convertible promissory note into common stock			11,200,000				14,000,000
Exercise of warrants associated with public offering			—				7,250,000
Exercise of warrants associated with Midcap Credit Facility			1,283,467				1,171,614
Conversion of convertible notes into common stock			1,666,667				1,666,667
Vesting of restricted stock units			6,037,542				1,057,047
Employee stock purchase plan			292,981				369,979
Exercise of common stock warrants			—				31,851
Total			32,745,273				39,682,839

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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://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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