Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.19.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2019
Share-based Payment Arrangement [Abstract]  
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions

The following table provides the weighted average assumptions used in determining the fair value of the stock option awards granted during the three month periods ended March 31, 2019 and 2018.

 

    March 31, 2019     March 31, 2018  
      (unaudited)       (unaudited)  
Risk-free interest rate     2.51%       2.65%  
Expected life     6.0 years       6.0 years  
Expected volatility     127.81%       126.93%  
Dividend yield     -       -