SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

3 Months Ended

Mar. 31, 2020

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Outstanding Securities not Included in the Computation of Diluted Net Loss

The following table summarizes the outstanding securities not included in the computation of diluted net loss per share:

	March 31,
	2020	2019
Stock options	802,113	498,262
Warrants	907,601	917,563
Preferred stock	117,500	20,888
Convertible notes	4,032,281	1,663,330
Total	5,859,495	3,100,043