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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2021
Stock-Based Compensation  
Summary of stock option activity

4. Stock-Based Compensation – (continued)

A summary of stock option activity for the nine months ended September 30, 2021 is as follows:

    

    

Weighted

    

Weighted Average

    

Aggregate

Average Exercise

Remaining

Intrinsic

Options

Price

Contractual Life

Value

Balance - December 31, 2020

 

3,997,418

$

2.35

 

6.09 years

-

Granted

 

-

-

 

 

Exercised

 

-

-

Expired

 

-

-

 

 

Forfeited

 

-

-

 

 

Balance - September 30, 2021 - outstanding

 

3,997,418

$

2.35

 

5.03 years

$

135,792

Balance - September 30, 2021 - exercisable

 

2,296,662

$

3.79

 

4.50 years

$

66,093

Grant date fair value of options granted – nine months ended September 30, 2021

$

-

 

  

 

  

Weighted average grant date fair value –nine months ended September 30, 2021

$

-

 

  

 

  

Grant date fair value of options granted – year ended December 31, 2020

$

412,000

 

  

 

  

Weighted average grant date fair value – year ended December 31, 2020

$

0.27