NET LOSS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2020

NET LOSS PER SHARE

Schedule of Net Loss Per Share, Basic and Diluted

	Years Ended December 31,
	2020		2019
(in thousands, except per share amounts)		(as restated)
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

	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