Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities
Net income (loss) from operations	$ 23,773,000	$ (65,041,000)
Adjustments required to reconcile net income (loss) to cash used in operating activities:
Derivative liability (gain) loss	(35,286,000)	52,350,000
Shares issued for technology access fee	0	3,000,000
Amortization of patents	23,000	23,000
Amortization of note discount	0	2,637,000
Warrants issued as investment fees	0	759,000
Depreciation	59,000	66,000
Stock-based compensation	714,000	1,206,000
Stock-based compensation - severance	1,161,000	0
Changes in operating assets and liabilities net of acquisitions:
Accounts receivable	(19,000)	(125,000)
Tax refund	0	618,000
Accounts payable and accrued expenses	(305,000)	(453,000)
Accrued severance	659,000	0
Prepaid expenses and other current assets	(151,000)	(153,000)
Interest on loan notes	0	233,000
Net cash used in operating activities	(9,372,000)	(4,880,000)
Cash flows from investing activities
Purchases of property and equipment	(1,197,000)	(97,000)
Net cash used in investing activities	(1,197,000)	(97,000)
Cash flows from financing activities
Proceeds from Series B redeemable convertible preferred stock	0	7,000,000
Proceeds from convertible loan notes	0	2,000,000
Payment of convertible loan note	0	(26,000)
Net cash provided by financing activities	0	8,974,000
Net increase (decrease) in cash and cash equivalents	(10,569,000)	3,997,000
Cash and cash equivalents, beginning of period	20,355,000	862,000
Cash and cash equivalents, end of period	9,786,000	4,859,000
Supplemental schedule of non-cash financing activities:
Accretion of Series B redeemable convertible preferred stock	$ 955,000	$ 618,000