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NET LOSS PER SHARE (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2021

Dec. 31, 2020

NET LOSS PER SHARE

Schedule of basic and diluted net loss per share attributable to common stockholders

		Three months ended
		March 31
		2021			2020
		(In thousands, except share and per share data)
Numerator:
Net income (loss)		$	(3,508)		$	(7,479)
Less dividends attributable to redeemable and redeemable convertible preferred stock			5,541			2,947
Net loss attributable to common stockholders		$	(9,049)		$	(10,426)
Denominator:
Weighted average common shares outstanding — basic and diluted			29,185,545			22,045,779
Net loss per share attributable to common stockholders — basic and diluted		$	(0.31)		$	(0.47)

		Year Ended December 31,
		2020			2019			2018
		(In thousands, except share and per share data)
Numerator:
Net loss		$	(23,746)		$	(625)		$	(7,189)
Less dividends attributable to redeemable preferred stock and redeemable convertible preferred stock			13,636			11,398			10,753
Net loss attributable to common stockholders		$	(37,382)		$	(12,023)		$	(17,942)
Denominator:
Weighted average common shares outstanding — basic and diluted			25,004,093			19,210,017			17,046,120
Net loss per share attributable to common stockholders — basic and diluted		$	(1.50)		$	(0.63)		$	(1.05)

Schedule of excluded potential common shares

		Three months ended
		March 31,
		2021		2020
Options to purchase common stock		16,543,679		8,545,131
Redeemable convertible preferred stock (as converted to common stock)		111,452,020		111,452,020
Warrants		722,212		197,305
		128,717,911		120,194,456

		Year Ended December 31,
		2020		2019		2018
Options to purchase common stock		8,232,203		9,773,702		11,282,417
Redeemable preferred stock and redeemable convertible preferred stock (as converted to common stock)		111,452,020		111,452,020		111,452,020
Warrants		222,414		237,978		219,125
		119,906,637		121,463,700		122,953,562

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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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