CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue:
License and milestone	$ 400		$ 400
Operating expenses:
Research and development	230	$ 49	484	$ 95
General and administrative	1,192	622	2,253	1,139
Total operating expenses	1,422	671	2,737	1,234
Loss from operations	$ (1,022)	$ (671)	$ (2,337)	(1,234)
Other income (expense):
Interest and other expense				(1,007)
Change in fair value liability for price adjustable warrants	$ 1,914	$ 4,545	$ 3,643	(769)
Change in fair value of stock reserved for issuance to settle liabilities				(2,455)
Gain on foreign exchange		$ 2		2
Gain on debt extinguishment				4
Gain on settled liabilities	$ 12	$ 45	$ 12	302
Total other income (expense), net	1,926	4,592	3,655	(3,923)
Net income (loss) applicable to common stockholders	$ 904	$ 3,921	$ 1,318	(5,157)
Deemed dividend related to discount on beneficial conversion feature in Series C convertible preferred shares				(6,000)
Net income (loss) applicable to common stockholders	$ 904	$ 3,921	$ 1,318	$ (11,157)
Net income (loss) per common share
Basic (in dollars per share)	$ 0.03	$ 0.15	$ (0.05)	$ (0.47)
Diluted (in dollars per share)	$ (0.03)	$ 0.11	$ (0.08)	$ (0.47)
Shares used in computing net income (loss) per share
Basic (in shares)	26,036	25,633	26,036	23,563
Diluted (in shares)	30,293	34,801	30,293	23,563