CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenue	$ 0	$ (3,000)	$ 310,000	$ 333,000
Operating expenses
Research and development	1,804,000	1,106,000	4,687,000	5,378,000
General and administrative	1,632,000	1,211,000	5,377,000	4,777,000
Severance charge	1,510,000	0	1,510,000	0
Total operating expenses	4,946,000	2,317,000	11,574,000	10,155,000
Loss from operations	(4,946,000)	(2,320,000)	(11,264,000)	(9,822,000)
Other income (expense)
Gain (loss) on derivative liabilities	24,334,000	(41,548,000)	34,026,000	(45,617,000)
Amortization of note discount and patents	0	(23,000)	0	(2,660,000)
Interest expense, net	0	(9,000)	0	(233,000)
Other income (expense), net	24,334,000	(41,580,000)	34,026,000	(48,510,000)
Net income (loss)	19,388,000	(43,900,000)	22,762,000	(58,332,000)
Other comprehensive income (loss)
Net unrealized gain (loss) on foreign currency translations	(93,000)	(21,000)	(113,000)	(24,000)
Comprehensive income (loss)	$ 19,295,000	$ (43,921,000)	$ 22,649,000	$ (58,356,000)
Net income (loss) per share - basic (in dollars per share)	$ 0.10	$ (0.44)	$ 0.12	$ (0.68)
Weighted average number of shares of common stock outstanding - basic (in shares)	187,159,093	99,156,809	184,445,172	85,688,356
Net income (loss) per share - diluted (in dollars per share)	$ 0.06	$ (0.44)	$ 0.07	$ (0.68)
Weighted average number of shares of common stock outstanding - diluted (in shares)	315,990,084	99,156,809	323,604,642	85,688,356