Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating activities:
Net income (loss)	$ (1,446,854)	$ (5,447,292)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization and depreciation	165,042	135,270
Common stock issued for amended license agreement	400,000	0
Common stock or warrants issued in exchange for services	11,184	171,890
Stock-based compensation	529,788	463,909
Capitalized patent write-off	0	378,501
Change in operating assets and liabilities:
Grants receivable	(177,060)	(190,559)
Other receivable	251,864	0
Inventory	0	42,865
Prepaid expenses	32,824	(83,458)
Accounts payable	(302,232)	646,682
Accrued compensation	(194,687)	(326,440)
Total adjustments	716,723	1,238,660
Net cash used in operating activities	(730,131)	(4,208,632)
Investing activities:
Acquisition of intangible assets	(151,086)	(257,598)
Purchase of office equipment	(1,578)	(6,261)
Net cash used in investing activities	(152,664)	(263,859)
Financing activities:
Net proceeds from sale of common stock	0	5,679,856
Settlement of Broker Fees associated with 2010 Financing	40,743	0
Proceeds from sale of common stock pursuant to equity line	355,000	70,000
Proceeds from exercise of options and warrants	253,613	58,852
Net cash provided by financing activities	649,356	5,808,708
Net (decrease)/ increase in cash and cash equivalents	(233,439)	1,336,217
Cash and cash equivalents at beginning of period	7,451,714	7,692,011
Cash and cash equivalents at end of period	$ 7,218,275	$ 9,028,228