Consolidated Statements of Operation (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements of Operation [Abstract]
Licensing revenue	$ (44,360)	$ 16,023	$ 198,550	$ 197,594
Other revenue	0	30,575	145,152	127,095
Total revenues	(44,360)	46,598	343,702	324,689
Operating Expenses:
Research and development	695,019	409,383	2,557,118	2,087,484
Selling, general and administrative	1,527,317	546,446	3,427,582	2,434,944
Total operating expenses	2,222,336	955,829	5,984,700	4,522,428
Loss from operations	(2,266,696)	(909,231)	(5,640,998)	(4,197,739)
Other Income (Expense):
Interest income	581	207	3,870	1,379
Interest expense	(385)	(2,867)	(13,739)	(4,574)
Gain (loss) on extinguishment of debt/payables	0	0	(1,514)	200,000
Gain on disposals of assets	0	0	834	0
Derivative warrant liability gain (loss)	893,229	329,051	(2,258,679)	1,000,987
Other income (expense), net	893,425	326,391	(2,269,228)	1,197,792
Net loss	(1,373,271)	(582,840)	(7,910,226)	(2,999,947)
Deemed dividend on beneficial conversion feature of Series D Convertible Preferred Stock	0	0	(1,975,211)	0
Deemed dividend on repricing of warrants	(87,500)	0	(87,500)	0
Accretion of dividends on Convertible Perpetual Redeemable Preferred Stock	(49,519)	(37,026)	(142,761)	(93,700)
Net loss applicable to common shareholders	$ (1,510,290)	$ (619,866)	$ (10,115,698)	$ (3,093,647)
Net loss per common share, basic and diluted (in dollars per share)	$ (0.04)	$ (0.02)	$ (0.30)	$ (0.11)
Basic and diluted weighted average common shares outstanding (in shares)	34,295,425	29,105,517	33,620,751	28,809,682