XML 62 R34.htm IDEA: XBRL DOCUMENT v3.2.0.727
Fair Value Measurement (Details 1) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Fair Value Measurement [Abstract]    
Recorded warrant liability as of December 31, 2014 $ 1,910  
Warrants issued with convertible preferred stock (Note 10) 75  
Warrants issued with convertible promissory note (Note 5) 167  
Decrease in fair value of warrant liability 812  
Ending warrant liability as of June 30, 2015 $ 1,340