Condensed Statements of Operations (USD $)	3 Months Ended		9 Months Ended		95 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013
Revenues
Products	$ 266,534	$ 473,657	$ 608,490	$ 546,609	$ 2,536,753	[1]
Government contracts	8,299	82,030	126,332	605,195	9,793,381
Total Revenues	274,833	555,687	734,822	1,151,804	12,330,134
Costs and Expenses
Research and development	5,335,682	5,729,598	16,246,246	14,950,061	116,660,482
Selling, general and administrative	1,384,650	1,187,711	4,238,063	3,868,035	45,068,481
Impairment loss	0	0	0	0	83,171,090
Total Costs and Expenses	6,720,332	6,917,309	20,484,309	18,818,096	244,900,053
Loss from Operations	(6,445,499)	(6,361,622)	(19,749,487)	(17,666,292)	(232,569,919)
Other Income/(Expense), net	(106,652)	(36,833)	(320,138)	(148,535)	724,960
Change in fair value of make-whole dividend liability	70,272	0	70,272	0	70,272
Total Other Income/(Expense)	(36,380)	(36,833)	(249,866)	(148,535)	795,232
Net Loss	(6,481,879)	(6,398,455)	(19,999,353)	(17,814,827)	(231,774,687)
Deemed dividend on Preferred Stock and accretion of warrants	(3,653,803)	0	(4,251,062)	0	(4,251,062)
Net Loss applicable to common stockholders	(10,135,682)	(6,398,455)	(24,250,415)	(17,814,827)	(236,025,749)
Net Loss Per Share (Basic and diluted) (in dollars per share)	$ (0.19)	$ (0.15)	$ (0.46)	$ (0.43)
Weighted Average Common Shares Outstanding (Basic and diluted) (in shares)	54,256,684	42,490,471	52,862,381	41,410,374
Revenue from related parties	$ 142,500	$ 404,680	$ 142,500	$ 404,680

[1] Includes related party revenue of $142,500 for the three and nine months ended September 30, 2013 and $404,680 for the three and nine months ended September 30, 2012. See Note 11.