STOCKHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 30, 2016

Equity [Abstract]

Schedule of warrants

As of June 30, 2016, warrants to purchase 6,033,426 shares of common stock were outstanding including:

	Outstanding Warrants to Purchase Shares		Exercise Price		Expiration Date
2011 private placement		4,252,050		$1.25 - 1.60	May 18, 2018
Acueity warrants		325,000		5.00	September 30, 2017
2014 public offering		1,166,849		3.00	January 29, 2019
Placement agent fees for Company’s offerings		242,027		2.12 – 12.43	March - November, 2018
Outside consulting		47,500	$	4.24	January 14, 2018
		6,033,426