Condensed Consolidated Statements of Cash Flow (Unaudited) (USD $)	6 Months Ended		115 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011
Cash Flows From Operating Activities
Net loss	$ (9,539,972)	$ (6,886,830)	$ (95,889,995)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	3,777	4,689	436,220
Amortization of patents	335,560	335,560	5,782,817
Amortization of original issue discount			3,845,721
Amortization of commitment fee			310,866
Amortization of prepaid consultant expense			1,295,226
Amortization of deferred loan costs			2,261,584
Accretion of United States Treasury Bills			(373,295)
Loss on extinguishment of debt			825,867
Loss on exercise of warrants			236,146
Beneficial conversion of convertible interest			55,976
Convertible interest			389,950
Compensation through issuance of stock options		254,149	10,845,751
Compensation through issuance of stock			932,000
Issuance of stock for services	147,250	508,113	8,411,511
Issuance of warrants for services	389,172	999,991	4,128,599
Issuance of warrants for contractual obligations			985,010
Gain on sale of equipment			(55,075)
Gain on change in fair value of warrant liability	(32,176)	(1,502,747)	(2,171,821)
Change in assets and liabilities
Prepaid expenses and other current assets	(93,665)	(218,044)	(93,665)
Accounts payable	(45,434)	(153,379)	369,398
Accrued expenses	(651,725)	108,922	429,167
Net cash used in operating activities	(9,487,213)	(6,549,576)	(57,042,042)
Cash Flows From Investing Activities
Proceeds from sale of fixed assets			180,075
Capital expenditures	(6,147)		(74,035)
Proceeds from sales of investments			37,010,481
Purchases of investments			(36,637,186)
Net cash (used in) provided by investing activities	(6,147)		479,335
Cash Flows From Financing Activities
Net proceeds from loans from stockholder			174,000
Proceeds from convertible debt			6,706,795
Net proceeds from sales of preferred stock and warrants		8,908,131	8,908,131
Net proceeds from sales of common stock and warrants	9,486,071	5,194,589	37,750,079
Proceeds from exercises of warrants and stock options	6,311,209	1,718,150	20,765,912
Cash paid to retire convertible debt			(2,385,959)
Cash paid for deferred loan costs			(747,612)
Premium paid on extinguishments of debt			(170,519)
Purchase and retirement of common stock			(48,000)
Net cash provided by financing activities	15,797,280	15,820,870	70,952,827
Net change in cash and cash equivalents	6,303,920	9,271,294	14,390,120
Cash and cash equivalents, at beginning of period	8,086,200	3,237,178
Cash and cash equivalents, at end of period	14,390,120	12,508,472	14,390,120
Supplemental Disclosure of Noncash Investing and Financing Activities:
Amount Reclassified From Warrant Liability To Equity	$ 485,467