Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Incentive Compensation Plans (Tables)

Stock-Based Incentive Compensation Plans (Tables)
3 Months Ended
Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Weighted Average Assumptions
The weighted average assumptions applied in the lattice-binomial model that the Company uses to estimate the fair value of employee stock options are as follows:
Three Months Ended
March 31,
Expected volatility
51.51% - 53.74%

Risk-free interest rate
2.20% - 2.41%

Expected dividends
Expected life
3.92 years