NET LOSS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Schedule of potentially dilutive securities

The table below presents potentially dilutive securities that could affect our calculation of diluted net loss per share allocable to common stockholders for the periods presented.

	Three months ended
	March 31, 2017		March 31, 2016
Stock options		23,286,933		20,569,655
Warrants		10,374,071		12,281,059
		33,661,004		32,850,714