Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details 1)

v3.19.1
Stock-Based Compensation (Details 1)
3 Months Ended
Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Weighted average risk-free rate 2.41%
Expected dividend yield
Weighted average expected life (years) 6 years 29 days
Weighted average volatility 56.78%