Note - 17 Selected Quarterly Financial Data (Unaudited) (Detail) - Selected Quarterly Financial Data (Unaudited) (USD $)	1 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
2012
Net loss	$ (26,568,382)	$ (26,568,382)	$ (23,222,678)	$ (18,818,435)
Quarter 1 (Member)
2012
Total revenue			2,000,000
Net loss		(6,186,000)	(3,764,000)
Basic and diluted net loss per share (in Dollars per share)		$ (0.19)	$ (0.28)
Quarter 2 (Member)
2012
Net loss		(6,104,000)	(6,944,000)
Basic and diluted net loss per share (in Dollars per share)		$ (0.18)	$ (0.42)
Quarter 3 (Member)
2012
Net loss		(6,018,000)	(6,393,000)
Basic and diluted net loss per share (in Dollars per share)		$ (0.18)	$ (0.25)
Quarter 4 (Member)
2012
Net loss		$ (8,260,000)	$ (6,121,000)
Basic and diluted net loss per share (in Dollars per share)		$ (0.23)	$ (0.22)