Consolidated Statements of Cash Flows (USD $)	12 Months Ended		230 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011
Cash flows from operating activities:
Net income (loss)	$ (2,882,214)	$ 512,419	$ (197,046,068)
Adjustments to reconcile net loss to net cash used for operating activities:
Purchased in-process research and development			12,146,544
Write-off of acquired technology			3,500,000
Loss on disposition of assets	3,391		3,391
Interest expense settled through issuance of notes payable			350,500
Expenses satisfied with the issuance of stock	28,680		28,680
Forgiveness of debt	(476,837)		(476,837)
Gain on early extinguishment of debt		(6,277,100)	(6,277,100)
Non-cash gain on restricted stock valuation	(58,814)		(58,814)
Non-cash interest expense		741,471	3,966,394
Non-cash charges for options, warrants and common stock	834	61,722	11,115,437
Amortization of financing costs	6,949	18,239	25,188
Amortization and depreciation	40,751	58,598	2,890,666
Changes in current assets and liabilities:
Decrease in prepaid expenses and other current assets	9,108	3,055	700,498
(Decrease) increase in accounts payable and accrued expenses	(889,742)	116,966	1,914,402
Increase in accrued interest payable	1,829,516	1,865,457	7,814,797
Decrease in accrued lease	(96,425)	(51,494)
Net cash used for operating activities	(2,484,803)	(2,950,667)	(159,402,322)
Cash flows from investing activities:
Cash acquired through merger			1,758,037
Purchases of property and equipment	(2,373)		(1,654,487)
Proceeds from the sale of property and equipment	3,430		3,430
Decrease (increase) in security deposits and other assets	184,763	34,865	(200,135)
Decrease in indemnity fund	115,568	152
Purchases of marketable securities			(132,004,923)
Sales and maturities of marketable securities			132,004,923
Net cash provided by (used for) investing activities	301,388	35,017	(93,155)
Cash flows from financing activities:
Proceeds from issuance of common stock			66,731,339
Funds used to buyback common stock	(18,256)	(8,100)	(26,356)
Proceeds from issuance of preferred stock			39,922,170
Preferred stock conversion inducement			(600,564)
Proceeds from issuance of promissory notes	2,240,000	3,310,000	58,485,000
Proceeds from issuance of convertible debentures			9,000,000
Principal payments of notes payable/repurchase of debt	(1,000)	(602,700)	(7,750,667)
Dividend payments Series E Cumulative Convertible Preferred Stock			(516,747)
Payments related to financing costs			(5,612,855)
Net cash provided by financing activities	2,220,744	2,699,200	159,631,320
Net increase (decrease) in cash and cash equivalents	37,329	(216,450)	135,843
Cash and cash equivalents, beginning of period	98,514	314,964
Cash and cash equivalents, end of period	135,843	98,514	135,843
Supplemental cash flow disclosures:
Cash paid for interest			628,406
Supplemental disclosure of non-cash financing activity:
Conversion of notes payable to common stock	7,172,412		7,172,412
Capital contribution related to forgiveness of accrued interest	6,328,306		6,328,306
Accrued interest reclassified in connection with conversion of Series F convertible redeemable preferred stock to common stock	$ 640,874		$ 640,874