NET LOSS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2021

NET LOSS PER SHARE [Abstract]

Basic and Diluted Net Loss Per Share

The following table presents the calculation of basic and diluted net loss per share for the Company’s common stock:

	Years ended December 31,
	2021			2020			2019
Numerator
Net loss	$	(94,989	)	$	(36,613	)	$	(35,792	)
Numerator for basic and diluted EPS - loss attributable to common stockholders	$	(94,989	)	$	(36,613	)	$	(35,792	)
Denominator
Common stock		79,578,540			5,355,463			5,146,977
Denominator for basic and diluted EPS - weighted-average common stock		79,578,540			5,355,463			5,146,977
Basic and diluted net loss per share	$	(1.19	)	$	(6.84	)	$	(6.95	)

Anti-Dilutive Common Equivalent Shares

Anti-dilutive common equivalent shares were as follows:

	Years ended December 31,
	2021		2020		2019
Outstanding options to purchase common stock		7,726,972		7,369,541		7,890,184
Outstanding restricted stock units		4,586,972		-		-
Outstanding warrants		3,968,319		-		-
Outstanding convertible preferred stock (Series A through E)		-		90,789,268		84,201,570
		16,282,263		98,158,809		92,091,754