Condensed Consoliated Statements of Cash Flows (USD $)	9 Months Ended		123 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011
Cash flows from operating activities:
Net income/(loss)	$ 298,105	$ 258,414	$ (59,832,040)
Adjustments to reconcile net income/(loss) to net cash used in operating activities:
Equity in losses of Hedrin JV	0	0	750,000
Non cash gain on Nordic settlement	(4,017,488)	0	(4,017,488)
Share-based compensation	19,210	211,771	4,419,000
Amortization of OID, issue costs and beneficial conversion feature	1,041,745	288,772	1,978,376
Change in fair value of derivative liability	(39,587)	(2,696,900)	2,455,261
Loss on early extinguishment of debt	1,225,912	159,070	1,384,982
Shares issued in connection with in-licensing agreement	0	0	232,500
Shares issued in connection with Ariston milestone	220,701	0	220,701
Warrants issued to consultant	0	0	(83,670)
Amortization of intangible assets	0	0	145,162
Gain on sale of marketable equity securities	0	0	(76,032)
Depreciation	1,404	2,644	232,267
Noncash portion of in-process research and development charge	0	0	11,721,623
Loss on impairment and disposition of intangible assets	0	0	2,462,108
Other	0	0	23,917
Changes in operating assets and liabilities, net of acquisitions:
Decrease in grant receivable	244,479	0	0
Decrease in prepaid expenses and other current assets	40,508	60,612	77,999
Decrease/(increase) in other assets	10,859	0	(25,511)
Decrease in accounts payable and accrued expenses	(55,797)	(332,972)	(178,104)
Increase in interest payable	843,561	620,219	1,722,574
Net cash used in operating activities	(166,388)	(1,428,370)	(41,805,865)
Cash flows from investing activities:
Purchase of property and equipment	0	(2,844)	(242,452)
Cash acquired in connection with acquisitions	0	519,365	493,334
Net cash provided from the purchase and sale of short-term investments	0	0	435,938
Proceeds from sale of license	0	0	200,001
Net cash provided by investing activities	0	516,521	886,821
Cash flows from financing activities:
Proceeds related to sale of common stock, net	0	2,163,486	28,059,748
Proceeds from sale of preferred stock, net	0	0	9,046,176
Proceeds from the Hedrin JV agreement	0	0	3,199,176
Proceeds from sale of notes payable	0	0	1,509,915
Sale of warrant	0	0	150,000
Net repayments of notes payable	(100,000)	(193,667)	(1,207,124)
Other, net	0	0	373,433
Net cash provided by/(used in) financing activities	(100,000)	1,969,819	41,131,324
Net increase (decrease) in cash and cash equivalents	(266,388)	1,057,970	212,280
Cash and cash equivalents at beginning of period	478,668	17,996	0
Cash and cash equivalents at end of period	$ 212,280	$ 1,075,966	$ 212,280