STOCKHOLDERS' EQUITY AND LOSS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table presents the number of shares excluded from the calculation of diluted net loss per share attributable to common stockholders for the periods below:

	Three Months Ended March 31,
	2021	2020
Common stock warrants	—	2,134,362
Common stock options	1,036,358	1,216,765
Non-vested restricted stock unit awards	4,263,345	3,761,964
Total shares excluded from net loss per share attributable to common stockholders	5,299,703	7,113,091