Consolidated Statements of Operation (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Consolidated Statements of Operation [Abstract]
Licensing revenue	$ 121,455	$ 167,599	$ 242,910	$ 181,571
Other revenue	37,065	96,520	145,152	96,520
Total revenues	158,520	264,119	388,062	278,091
Operating Expenses:
Research and development	996,149	564,616	1,862,099	1,678,101
Selling, general and administrative	978,150	610,875	1,900,265	1,888,498
Total operating expenses	1,974,299	1,175,491	3,762,364	3,566,599
Loss from operations	(1,815,779)	(911,372)	(3,374,302)	(3,288,508)
Other Income (Expense):
Interest income	1,210	481	3,289	1,172
Interest expense	(604)	(618)	(13,354)	(1,707)
Gain (loss) on extinguishment of debt/payables	0	0	(1,514)	200,000
Gain (loss) on disposal of assets	(2,531)	0	834	0
Derivative warrant liability gain (loss)	(122,011)	375,948	(3,151,908)	671,936
Other income (expense), net	(123,936)	375,811	(3,162,653)	871,401
Net loss	(1,939,715)	(535,561)	(6,536,955)	(2,417,107)
Deemed dividend on beneficial conversion feature of Series D Convertible Preferred Stock	0	0	(1,975,211)	0
Accretion of dividends on Convertible Perpetual Redeemable Preferred Stock	(47,558)	(28,815)	(93,242)	(56,674)
Net loss applicable to common shareholders	$ (1,987,273)	$ (564,376)	$ (8,605,408)	$ (2,473,781)
Net loss per common share, basic and diluted (in dollars per share)	$ (0.06)	$ (0.02)	$ (0.26)	$ (0.09)
Basic and diluted weighted average common shares outstanding (in shares)	33,911,459	29,071,377	33,277,823	28,659,312