CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue	$ 0	$ 0	$ 0	$ 0
Operating expenses
Research and development	2,313	992	4,520	2,149
General and administrative	681	520	2,287	1,873
Total operating expenses	2,994	1,512	6,807	4,022
Net operating loss	(2,994)	(1,512)	(6,807)	(4,022)
Other income
Change in fair value of warrant liability	1,420	0	1,420	0
Interest income	4	4	8	14
Total other income	1,424	4	1,428	14
Net loss	$ (1,570)	$ (1,508)	$ (5,379)	$ (4,008)
Net loss per share, basic and diluted	$ (0.02)	$ (0.02)	$ (0.06)	$ (0.04)
Basic and diluted weighted average number of common shares outstanding	95,645	89,763	91,724	89,763