NET LOSS PER SHARE (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2021

Dec. 31, 2020

NET LOSS PER SHARE

Schedule of Net Loss Per Share, Basic and Diluted

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands, except per share amounts)	2021		2020		2021		2020
Numerator for basic and diluted net loss per share:
Net loss attributable to Common Stockholders	$	(43,180)	$	(23,766)	$	(102,288)	$	(45,570)
Denominator for basic and diluted net loss per share:
Weighted-average shares		255,098		158,124		246,717		157,187
Net loss per share—Basic and Diluted	$	(0.17)	$	(0.15)	$	(0.41)	$	(0.29)

	Years Ended December 31,
	2020
(in thousands, except per share amounts)	(as restated)		2019
Numerator for basic and diluted net loss per share:
Net loss attributable to Common Stockholders	$	(34,015)	$	(103,596)
Denominator for basic and diluted net loss per share:
Weighted average shares		157,906		150,002
Net loss per share—Basic and Diluted	$	(0.22)	$	(0.69)

Schedule of antidilutive securities excluded from computation of earnings per share

The Company excluded the following potential common shares, presented based on amounts outstanding as of June 30, 2021 and 2020, from the computation of diluted net loss per share attributable to common stockholders because including them would have an anti-dilutive effect (in thousands):

	Six Months Ended June 30,
	2021		2020
Common Stock options outstanding		16,394		12,964
Unvested restricted stock units outstanding		5,095		—
Unvested restricted stock awards outstanding		168		1,317
Common Stock warrants outstanding		—		619
Total shares		21,657		14,900

	Years Ended December 31,
	2020		2019
Common Stock options outstanding		19,553		18,072
Unvested restricted stock units outstanding		683		—
Unvested restricted stock awards outstanding		279		5,587
Common Stock warrants outstanding		25,010		634
Unvested Trine Founder Shares, held in escrow		1,851		—
Total shares		47,376		24,293