STOCKHOLDERS' EQUITY (Details)	6 Months Ended
	Jun. 30, 2016 $ / shares shares
Class of Warrant or Right [Line Items]
Outstanding Warrants to Purchase Shares | shares	6,033,426
2011 Private Placement [Member]
Class of Warrant or Right [Line Items]
Outstanding Warrants to Purchase Shares | shares	4,252,050
Expiration Date	May 18, 2018
2011 Private Placement [Member] | Minimum [Member]
Class of Warrant or Right [Line Items]
Exercise Price	$ 1.25
2011 Private Placement [Member] | Maximum [Member]
Class of Warrant or Right [Line Items]
Exercise Price	$ 1.60
Acueity Warrants [Member]
Class of Warrant or Right [Line Items]
Outstanding Warrants to Purchase Shares | shares	325,000
Exercise Price	$ 5.00
Expiration Date	Sep. 30, 2017
2014 Public Offering [Member]
Class of Warrant or Right [Line Items]
Outstanding Warrants to Purchase Shares | shares	1,166,849
Exercise Price	$ 3.00
Expiration Date	Jan. 29, 2019
Placement Agent Fee [Member]
Class of Warrant or Right [Line Items]
Outstanding Warrants to Purchase Shares | shares	242,027
Placement Agent Fee [Member] | Minimum [Member]
Class of Warrant or Right [Line Items]
Exercise Price	$ 2.12
Expiration Date	Mar. 31, 2018
Placement Agent Fee [Member] | Maximum [Member]
Class of Warrant or Right [Line Items]
Exercise Price	$ 12.43
Expiration Date	Nov. 30, 2018
Outside Consulting [Member]
Class of Warrant or Right [Line Items]
Outstanding Warrants to Purchase Shares | shares	47,500
Exercise Price	$ 4.24
Expiration Date	Jan. 14, 2018