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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2024
Stock-Based Compensation  
Summary of stock option activity

A summary of stock option activity for the three months ended March 31, 2024 and the year ended December 31, 2023 is as follows:

    

    

Weighted

    

Weighted Average

    

Aggregate

Average Exercise

Remaining

Intrinsic

    

Options

    

Price

    

Contractual Life

    

Value

Balance - December 31, 2022

 

2,295,898

$

3.53

 

6.44 years

$

Granted

 

2,195,000

0.59

 

 

Expired

 

(104,270)

14.73

 

 

Forfeited

 

(10,847)

1.11

 

 

Balance - December 31, 2023

4,375,781

1.80

7.70 years

Expired

Forfeited

Balance - March 31, 2024 - outstanding

 

4,375,781

$

1.80

 

7.45 years

$

Balance - March 31, 2024 - exercisable

 

1,611,399

$

3.80

 

5.59 years

$

Grant date fair value of options granted – year ended December 31, 2023

$

873,140

 

  

 

  

Weighted average grant date fair value – year ended December 31, 2023

$

0.40