NET LOSS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2021

NET LOSS PER SHARE

Schedule of potentially dilutive securities

	December 31,
	2021	2020
Stock options	4,963,545	7,366,420
Warrants	16,117,343	16,531,825
Accrued stock payable	1,769,537	359,415
Convertible notes	5,785,450	2,261,538
Preferred stock	1,180,000	—
	29,815,875	26,519,198