Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.2.0.727
Summary of Significant Accounting Policies (Details)
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Summary of Significant Accounting Policies    
Expected term 4 years 4 years
Expected volatility (as a percent) 76.24% 79.80%
Risk free rate (as a percent) 1.21% 1.20%