Consolidated Statements of Cash Flows (USD $)	6 Months Ended		248 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013
Cash flows from operating activities:
Net loss	$ (817,907)	$ (614,209)	$ (199,511,451)
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
Interest expense settled through issuance of notes payable			350,500
Expenses satisfied with the issuance of stock			28,680
Forgiveness of debt			(476,837)
Gain on early extinguishment of debt			(6,277,100)
Non-cash gain on restricted stock valuation			(58,814)
Non-cash interest expense			3,966,394
Non-cash charges related to options, warrants and common stock			11,115,437
Amortization of financing costs			25,188
Amortization and depreciation	1,186	893	2,893,141
Loss on sales of marketable securities	227,083		227,083
Changes in operating assets and liabilities:
(Increase) decrease in prepaid expenses and other current assets	13,815	(39,043)	518,423
(Increase) decrease in deferred charges	1,843		(62,671)
Increase (decrease) in accounts payable and accrued expenses	(551,892)	86,813	1,430,679
Increase in accrued interest payable	222,699	208,255	8,470,331
Increase (decrease) in deferred revenue	(36,864)		164,713
Increase (decrease) in current liabilities	(60,126)		(42,450)
Increase in other long-term liabilities			33,750
Decrease in accrued lease
Net cash used for operating activities	(1,000,163)	(357,291)	(161,555,069)
Cash flows from investing activities:
Cash acquired through Merger			1,758,037
Purchases of property and equipment			(1,654,487)
Proceeds from the sale of property and equipment			3,430
Decrease in security deposits and other assets
Decrease in indemnity fund
Purchases of marketable securities			(132,004,923)
Sales and maturities of marketable securities	861,617		132,866,540
Net cash provided by investing activities	861,617	0	968,597
Cash flows from financing activities:
Proceeds from issuance of common stock			66,731,339
Buyback of common stock			(28,222)
Advances from related party	100,000		425,000
Proceeds from issuance of preferred stock			39,922,170
Preferred stock conversion inducement			(600,564)
Proceeds from issuance of promissory notes	50,000	285,000	59,045,000
Proceeds from issuance of convertible debentures			9,000,000
Principal payments of notes payable/repurchase of debt			(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	150,000	285,000	160,614,454
Net (decrease) increase in cash and cash equivalents	11,454	(72,291)	27,982
Cash and cash equivalents, beginning of period	16,528	135,843
Cash and cash equivalents, end of period	27,982	63,552	27,982
Supplemental cash flow disclosures:
Cash paid for interest			628,406
Supplemental disclosure of non-cash financing activity:
Conversion of notes payable to common stock			13,000,000
Capital contribution related to forgiveness of accrued interest			6,328,306
Accrued interest reclassified in connection with conversion of Series F convertible redeemable preferred stock to common stock			640,874
Receipt of marketable securities as payment for license agreement			1,146,000
Conversion of notes payable to future royalties			$ 16,000,000