Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Stock-Based Compensation (Details)

v3.5.0.2
Summary of Significant Accounting Policies - Stock-Based Compensation (Details)
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Summary of Significant Accounting Policies    
Expected term 4 years 4 years
Expected volatility (as a percent) 61.71% 75.45%
Risk free rate (as a percent) 1.22% 1.27%