Consolidated Statements of Cash Flows (USD $)	12 Months Ended		242 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012
Cash flows from operating activities:
Net loss	$ (1,645,476)	$ (2,882,214)	$ (198,691,544)
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)
Non-cash gain on restricted stock valuation		(58,814)	(58,814)
Non-cash interest expense			3,966,394
Non-cash charges related to options, warrants and common stock		834	11,115,437
Amortization of financing costs		6,949	25,188
Amortization and depreciation	1,289	40,751	2,891,955
Changes in operating assets and liabilities:
Decrease in prepaid expenses and other current assets	2,245	9,108	502,608
Increase in deferred charges	(64,514)		(64,514)
(Decrease) increase in accounts payable and accrued expenses	68,169	(889,742)	1,982,571
Increase in accrued interest payable	432,835	1,829,516	8,247,632
Increase in deferred revenue	201,577		201,577
Increase in current liabilities	17,676		17,676
Increase in other long-term liabilities	33,750		33,750
Decrease in accrued lease		(96,425)
Net cash used for operating activities	(952,449)	(2,484,803)	(160,554,906)
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 in security deposits and other assets		184,763
Decrease in indemnity fund		115,568
Purchases of marketable securities			(132,004,923)
Sales and maturities of marketable securities			132,004,923
Net cash provided by investing activities		301,388	106,980
Cash flows from financing activities:
Proceeds from issuance of common stock			66,731,339
Buyback of common stock	(1,866)	(18,256)	(28,222)
Advances from related party	325,000		325,000
Proceeds from issuance of preferred stock			39,922,170
Preferred stock conversion inducement			(600,564)
Proceeds from issuance of promissory notes	510,000	2,240,000	58,995,000
Proceeds from issuance of convertible debentures			9,000,000
Principal payments of notes payable/repurchase of debt		(1,000)	(7,750,667)
Dividend payments on Series E Cumulative Convertible Preferred Stock			(516,747)
Payments of financing costs			(5,612,855)
Net cash provided by financing activities	833,134	2,220,744	160,464,454
Net (decrease) increase in cash and cash equivalents	(119,315)	(37,329)	16,528
Cash and cash equivalents, beginning of period	135,843	98,514
Cash and cash equivalents, end of period	16,528	135,843	16,528
Supplemental cash flow disclosures:
Cash paid for interest			628,406
Supplemental disclosure of non-cash investing and financing activity:
Conversion of notes payable to common stock	5,827,588	7,172,412	13,000,000
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
Supplemental disclosure of other non-cash transactions:
Receipt of marketable securities as payment for license agreement	1,146,000		1,146,000
Conversion of notes payable to future royalties	$ 16,000,000		$ 16,000,000