SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2018

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Estimated Useful Lives of Property and Equipment

Depreciation and amortization are computed by the straight-line method over the estimated useful lives of the related assets as follows:

Furniture and fixtures	5 to 7	years
Laboratory equipment	3 to 10	years
Computer equipment and software	3 to 7	years

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:

	December 31,
	2018	2017
Stock options	3,373,431	236,484
Warrants	13,763,608	6,197,681
Preferred stock	313,333	3,525,000
Convertible notes	20,314,789	1,725
Total	37,765,161	9,960,890