Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details 3)

v2.4.0.8
Summary of Significant Accounting Policies (Details 3)
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Summary of Significant Accounting Policies    
Expected term 4 years 4 years
Expected volatility (as a percent) 79.80% 84.10%
Risk free rate (as a percent) 1.20% 0.60%
Expected dividends (as a percent) 0.00% 0.00%