11. WARRANTS (Details 1) (USD $) In Millions, except Per Share data, unless otherwise specified	Dec. 31, 2012	Aug. 31, 2012	Aug. 31, 2011
December 2009 Equity Financing
Fair value	$ 2.6	$ 2.9	$ 5.9
Black-Scholes inputs:
Stock price	$ 5.85	$ 4.97	$ 4.73
Exercise price	$ 2.45	$ 2.45	$ 2.45
Risk free interest rate	0.25%	0.22%	0.38%
Volatility	100.00%	125.00%	116.00%
Expected term (years)	2 years	2 years 3 months	3 years 3 months
Dividend	0.00%	0.00%	0.00%
August 2010 Private Placement Investors And Placement Agent
Fair value	$ 13.8	$ 14.4	$ 17.7
Black-Scholes inputs:
Stock price	$ 5.85	$ 4.97	$ 4.73
Exercise price	$ 3.075	$ 3.075	$ 3.075
Risk free interest rate	0.31%	0.30%	0.70%
Volatility	112.00%	125.00%	111.60%
Expected term (years)	2 years 6 months	3 years	4 years
Dividend	0.00%	0.00%	0.00%