STOCKHOLDERS' EQUITY (Details) (USD $)	0 Months Ended			1 Months Ended		3 Months Ended												3 Months Ended
	Jan. 24, 2013	Feb. 07, 2012	Dec. 31, 2011	Feb. 28, 2013	Jan. 24, 2013	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	May 23, 2012	Feb. 07, 2012 Affiliates of third security, llc; december twenty-fifth 2010		Feb. 07, 2012 Various institutional holders; february seventh, 2012		Feb. 07, 2012 Affiliates of third security, llc; february seventh, 2012		Mar. 13, 2013 Various institutional holders; january twenty-fourth, 2017		Mar. 31, 2013 Affiliates of third security, llc; january twenty-fourth, 2017		Mar. 13, 2013 Affiliates of third security, llc; january twenty-fourth, 2017
Class of Stock [Line Items]
Common stock, shares authorized						150,000,000		100,000,000	150,000,000
Proceeds from issuance of common stock and convertable notes		$ 22,000,000	$ 3,000,000
Common stock, shares issued		19,000,000				71,645,725		49,625,725
Common stock, sale price per share (in dollars per share)		$ 1.00
Common stock warrants, term		5 years
Common stock warrant, common stock called	8,300,000				8,300,000	26,643,676				5,172,408	[1]	11,435,158	[2]			5,300,000	[3]			3,000,000	[3]
Common stock warrant, exercise price										0.58	[1]	1.08	[2]	1.08	[2]	0.75	[3]			0.75	[3]
Convertible notes, common stock callable		3,000,000
Convertible notes, warrants callable														1,736,110	[2]
Payments of stock issuance costs, reduction to equity						1,500,000
Private Placement, net, shares					16,600,000													6,000,000	[3]
Share price	$ 0.50				$ 0.50	$ 0.40
Issuance of common stock and warrants, net					$ 8,300,000	$ 7,570,000	$ 17,483,000
Class of warrant or right, number of securities called by warrants or rights, price per share	$ 0.75				$ 0.75
Common stock warrants issued	8,300,000			1,791,268		10,091,268	11,380,000

[1] This warrant was issued in connection with the issuance of warrants to purchase shares of our Series A Preferred Stock to affiliates of Third Security, LLC in December 2010. The number of underlying shares shown reflects the number of shares of common stock issuable upon conversion of the shares of Series A Preferred Stock for which this warrant is currently exercisable.

[2] These Warrants were issued in connection with the private placement completed in February 2012. Warrants were repriced and additional warrants were issued in connection with the warrants issued with the private placement completed in January 2013.

[3] These warrants were issued in connection with the private placement completed in January 2013.