11. WARRANTS (Details) (USD $)	Dec. 31, 2012		Nov. 30, 2012 Encode Merger	Nov. 30, 2012 Placement Agents May And June 2008	Nov. 30, 2012 Placement Agents August 2009	Nov. 30, 2012 Torrey Pines Warrants		Nov. 30, 2012 Registered Direct Investorss Dec 2009	Nov. 30, 2012 Private Placement Investors Aug 2010	Nov. 30, 2012 Placement Agent Aug 2010
Number of shares exercisable	4,563		233	433	65	8		631	3,095	98
Exercise Price	$ 3.03	[1]	$ 2.87	$ 2.36	$ 1.50	$ 80.86	[1]	$ 2.45	$ 3.075	$ 3.075
Expiration date, min			12/13/2015	5/21/2013	8/21/2014	6/11/2013		12/22/2014	8/12/2015	8/12/2015
Expiration date, max						9/26/2015

[1] Weighted-average exercise price