WARRANT EXCHANGE PROGRAM AND WARRANTS FOR COMMON STOCK (Warrant Activity) (Details) - shares		12 Months Ended
		Dec. 31, 2015		Dec. 31, 2014	Dec. 31, 2013
Class of Warrant or Right [Line Items]
Warrant outstanding beginning balance		13,674,409		10,653,469	12,972,664
Warrants issued					11,570,274
warrants issued as part of Warrant Exchange Program					138,666
Additional warrants due to anti-dilution provisions		369		18,383	1,665,400
Warrants exercised		(40,000)		(1,247,443)	(9,831,414)
Warrants exercised as part of Warrant Exchange Program					(5,862,121)
Warrants issued in conjunction with consulting agreement (see Note 6)				4,250,000
Warrants issued in conjunction with registered direct offering		3,000,000
Warrant outstanding ending balance		16,634,778	[1],[2],[3]	13,674,409	10,653,469
Composition of outstanding warrants:
Warrants containing anti-dilution feature		130,178	[4]	129,809
Warrants without anti-dilution feature	[5]	16,504,600
Warrants Outstanding		16,634,778

[1] Includes 1,453,812 warrants (8.7%) held by officers and directors that have had the anti-dilution feature removed.

[2] Includes 2,272,198 warrants (13.7%) held by a former officer and director that have had the anti-dilution feature removed.

[3] On January 25, 2016, 6,831,115 warrants expired unexercised.

[4] 37,546 of such warrants expired unexercised on January 25, 2016.

[5] Include 1,250,000 warrants containing Exchange Rights (see Note 6 for detailed discussion), and 6,793,569 of such warrants expired unexercised on January 25, 2016.