Consolidated Statements of Cash Flows (USD $)	12 Months Ended		254 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013
Cash flows from operating activities:
Net loss	$ (941,529)	$ (1,645,476)	$ (199,635,073)
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	448,104		4,414,498
Non-cash charges related to options, warrants and common stock			11,115,437
Amortization of financing costs			25,188
Amortization and depreciation	1,186	1,289	2,893,141
Receipt of marketable securities	(190,000)		(190,000)
Loss on sale of marketable securities	263,154		263,154
Gain on sale of contingent liability	25,000		25,000
Changes in operating assets and liabilities:
(Increase) decrease in prepaid expenses and other current assets	(966)	2,245	503,642
(Increase) decrease in deferred charges	3,687	(64,514)	(60,827)
(Decrease) increase in accounts payable and accrued expenses	(1,222,660)	68,169	759,911
Increase (decrease) in accrued interest payable	5,630	432,835	8,253,262
Increase (decrease) in deferred revenue	(73,730)	201,577	127,847
Increase (decrease) in current liabilities	(14,805)	17,676	2,871
Increase (decrease) in other long-term liabilities	10,000	33,750	43,750
Net cash used for operating activities	(1,686,929)	(952,449)	(162,241,835)
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
Purchases of marketable securities			(132,004,923)
Sales and maturities of marketable securities	884,359		132,889,282
Net cash provided by investing activities	884,359		991,339
Cash flows from financing activities:
Proceeds from issuance of common stock			66,731,339
Buyback of common stock		(1,866)	(28,222)
Advances from related party	175,000	325,000	500,000
Net proceeds from issuance of preferred stock			39,922,170
Preferred stock conversion inducement			(600,564)
Net proceeds from issuance of promissory notes	725,000	510,000	59,720,000
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	900,000	833,134	161,364,454
Net (decrease) increase in cash and cash equivalents	97,430	(119,315)	113,958
Cash and cash equivalents, beginning of period	16,528	135,843
Cash and cash equivalents, end of period	113,958	16,528	113,958
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	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	1,146,000
Conversion of notes payable to future royalties		16,000,000	16,000,000
Net change in unrealized holding gains and losses	315,854		315,854
Accretion of Series F preferred stock	(20,942)	(21,057)	(20,942)
Net gain on debt modification	682,670		682,670
Gain on release of contingent liability	$ 16,000,000		$ 16,000,000