Consolidated Statements of Operations (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Income Statement [Abstract]
Licensing revenue	$ 30,927	$ 121,455
Other revenue		108,087
Total revenues	30,927	229,542
Operating Expenses:
Research and development	1,391,645	865,950
Selling, general and administrative	1,859,404	918,750
Total operating expenses	3,251,049	1,784,700
Loss from operations	(3,220,122)	(1,555,158)
Other Income (Expense):
Interest income	2,959	2,079
Interest expense	(150)	(12,750)
Loss on extinguishment of debt/payables		(1,514)
Derivative warrant liability gain (loss)	231,543	(3,029,897)
Other income (expense), net	234,352	(3,042,082)
Net loss	(2,985,770)	(4,597,240)
Deemed dividend on beneficial conversion feature of Series D Convertible Preferred Stock		(1,975,211)
Accretion of dividends on Convertible Perpetual Redeemable Preferred Stock		(45,684)
Net loss applicable to common shareholders	$ (2,985,770)	$ (6,618,135)
Net loss per common share, basic and diluted	$ (0.08)	$ (0.20)
Basic and diluted weighted average common shares outstanding	38,742,976	32,637,146