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Net Loss Per Share Attributable to Common Shareholders (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Computation of the Basic and Diluted Net Loss Per Share Attributable to Common Shareholders

The following table sets forth the computation of the basic and diluted net loss per share attributable to common shareholders for the periods presented (in thousands, except share and per share amounts):

		Year Ended December 31,
		2020				2019				2018
Net loss		$	(146,227	)		$	(68,606	)		$	(46,447	)
Fair value adjustments to redemption value for Series E-1    convertible preferred stock options			—				(964	)			102
Net loss attributable to common shareholders, basic and diluted		$	(146,227	)		$	(69,570	)		$	(46,345	)
Weighted-average shares used in computing net loss per share			131,216,468				69,165,315				12,629,778
Net loss per share attributable to common shareholders, basic and    diluted		$	(1.11	)		$	(1.01	)		$	(3.67	)

Weighted-Average Common Stock Equivalents were Excluded From Calculation of Diluted Net Loss Per Share Attributable to Common Shareholders

The following weighted-average common stock equivalents were excluded from the calculation of diluted net loss per share attributable to common shareholders for the year ended December 31, 2020, 2019 and 2018, respectively, as they had an anti-dilutive effect:

		Year Ended December 31,
		2020				2019				2018
Convertible preferred stock (on as if converted basis)			—				46,104,469				92,783,867
Stock options issued and outstanding			16,125,548				17,183,546				14,701,626
Nonvested restricted stock units			38,125				4,952				—
Common stock warrants			56,875				55,961				55,032
Convertible preferred stock warrants			—				28,204				56,875
Total			16,220,548				63,377,132				107,597,400

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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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