XML 30 R18.htm IDEA: XBRL DOCUMENT v3.20.2
Significant Accounting Polices (Tables)
9 Months Ended
Sep. 30, 2020
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 months ended September 30, 2020 and 2019 using the Black-Scholes option pricing model:

 

2020

 

2019

 

 

Risk-free interest rate

0.36% – 1.61%

 

1.68% – 2.57%

 

 

Expected life (years)

6.25

 

6.25

 

 

Volatility

60%

 

60%

 

 

Dividend rate

0%

 

0%