Quarterly report pursuant to Section 13 or 15(d)

Stock Incentive Plan - Summary of Weighted-Average Assumptions Used (Details)

v3.19.1
Stock Incentive Plan - Summary of Weighted-Average Assumptions Used (Details)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Weighted-average assumptions    
Expected term (in years) 5 years 9 months 4 days 6 years 2 months 19 days
Expected volatility (as a percent) 53.61% 49.65%
Risk free rate (as a percent) 2.59% 2.39%