Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current liabilities
Short-term notes, net of debt discount	$ 405	$ 12
Short-term notes - related party	$ 10	$ 0
STOCKHOLDERS' DEFICIT
Convertible preferred stock, par value	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized	10,000,000	10,000,000
Convertible preferred stock, shares issued	5,621,667	5,621,667
Convertible preferred stock, shares outstanding	5,621,667	5,621,667
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	27,546,715	24,221,715
Common stock, shares outstanding	27,546,715	24,221,715