Statements of Operations (USD $)	12 Months Ended			74 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011
Revenues	$ 3,949,911	$ 2,481,489	$ 1,464,346	$ 10,398,149
Costs and Expenses
Research and development	24,121,766	24,354,224	15,508,209	79,685,683
Selling, general and administrative	7,130,530	7,453,830	7,694,566	35,822,030
Impairment loss	78,000,000	1,769,480	0	79,769,480
Total Costs and Expenses	109,252,296	33,577,534	23,202,775	195,277,193
Loss from Operations	(105,302,385)	(31,096,045)	(21,738,429)	(184,879,044)
Other Income/(Expense)
Interest expense	(113,471)	0	0	(1,200,764)
Interest income	52,915	42,756	531,697	4,471,141
Contract cancellation loss	(590,774)	0	0	(590,774)
Realized gain on investments	0	192	59,383	27,472
Realized gain (loss) on forward contracts	63,915	0	(1,128,326)	(1,430,766)
Unrealized gain on forward contracts	0	0	766,403	0
Foreign currency transaction gain (loss)	145,940	(180,621)	586,555	595,799
Total Other Income/(Expense)	(441,475)	(137,673)	815,712	1,872,108
Net Loss	$ (105,743,860)	$ (31,233,718)	$ (20,922,717)	$ (183,006,936)
Net Loss Per Share (Basic and diluted)	$ (3.02)	$ (1.14)	$ (0.93)
Weighted Average Common Shares Outstanding (Basic and diluted)	34,985,914	27,506,007	22,432,803