CONSOLIDATED STATEMENTS OF EXPENSES (USD $)	12 Months Ended		119 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012
Research and development	$ 6,318,476	$ 3,340,038	$ 76,497,351
General and administrative	2,508,541	2,406,269	30,117,616
Depreciation	303,677	210,252	1,650,158
Loss on disposal of fixed assets	3,097	9,686	513,345
Operating loss	(9,133,791)	(5,966,245)	(108,778,470)
Interest income	280	932	1,358,697
Other income and expense, net			661,146
Gain on extinguishment of debt			1,612,440
Gain on derivative instruments	552,978		1,941,826
Gain on sale of technology			3,000,000
Interest expense	(350,300)	(3,135)	(9,407,259)
Net loss	$ (8,930,833)	$ (5,968,448)	$ (109,611,620)
Basic and diluted loss per share	$ (1.54)	$ (1.06)
Weighted average shares outstanding	5,785,372	5,633,124