Quarterly report pursuant to Section 13 or 15(d)

Stock Options (Tables)

v3.19.2
Stock Options (Tables)
6 Months Ended
Jun. 30, 2019
Share-based Payment Arrangement [Abstract]  
Schedule of weighted-average assumptions using Black-Scholes option-pricing model
   

For the

Six Months

Ended
June 30,

2019

 
       
Risk-free interest rate     2.37-2.66%  
Expected life of stock option grants     7 years  
Expected volatility of underlying stock     49.48-49.65%  
Dividends assumption   $ --