Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Details 5)

v3.6.0.2
Stock-Based Compensation (Details 5) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]      
Beginning Balance $ 10,567 $ 6,756  
Warrants liability 15,667    
Change in fair value of warrant liability (11,412) 3,811 $ (620)
Ending Balance $ 14,821 $ 10,567 $ 6,756