STOCKHOLDERS’ EQUITY AND EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders' Equity Note [Abstract]

Schedule of Repurchase Agreements

The following table presents the number of shares excluded from the calculation of diluted net loss per share attributable to common stockholders as of December 31, 2020 and 2019:

	2020	2019
Common stock warrants	—	2,134,362
Common stock options	1,140,975	1,340,252
Non-vested restricted stock unit awards	3,038,785	2,556,004
Total shares excluded from net loss per share attributable to common stockholders	4,179,760	6,030,618