CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
License and other revenue		$ 800		$ 1,115
Operating expenses:
Research and development	173	103	268	318
General and administrative	1,434	573	2,573	1,185
Total operating expenses	1,607	676	2,841	1,503
Income (loss) from operations	(1,607)	124	(2,841)	(388)
Other income (expense):
Change in fair value liability for price adjustable warrants	(5,487)	(149)	(6,256)	1,832
Change in fair value of stock reserved for issuance to settle liabilities	(48)	(22)	(2,503)	313
Interest and other expense		(64)	(1,007)	(186)
Change in fair value of embedded features in notes and amendments to notes		242		829
Gain on sale of equipment				30
Gain (loss) on foreign exchange	(1)		1
Gain (loss) on debt extinguishment	1	(1,107)	5	(2,037)
Gain on settlement of liabilities	19		321
Total other income (expense), net	(5,516)	(1,100)	(9,439)	781
Net income (loss)	(7,123)	(976)	(12,280)	393
Deemed dividend related to beneficial conversion feature in Series C convertible preferred shares			(6,000)
Net income (loss) applicable to common stockholders	$ (7,123)	$ (976)	$ (18,280)	$ 393
Net income (loss) per common share
Basic (in dollars per share)	$ (0.28)	$ (0.06)	$ (0.75)	$ 0.02
Diluted (in dollars per share)	$ (0.28)	$ (0.06)	$ (0.75)	$ 0.02
Shares used in computing net income (loss) per share
Basic (in shares)	25,668	16,938	24,248	16,938
Diluted (in shares)	25,668	16,938	24,248	17,228