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Significant Accounting Polices (Tables)
9 Months Ended
Sep. 30, 2018
Accounting Policies [Abstract]  
Schedule of Estimate Fair Value of Stock Options Granted

The following assumptions were used to estimate the fair value of stock options granted during the nine-month period ending September 30, 2018 and 2017 using the Black-Scholes option pricing model:

 

 

2018

 

2017

 

 

Risk-free interest rate

2.35% - 2.98%

 

1.83%

 

 

Expected life (years)

6.25

 

5.75

 

 

Volatility

60%

 

60%

 

 

Dividend rate

0%

 

0%