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Stock-based Compensation (Tables)
9 Months Ended
Sep. 30, 2024
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Stock Option Activity

A summary of activity for the nine months ended September 30, 2024 is as follows:

 

 

 

Options

 

 

Weighted
Average
 Exercise Price

 

 

Weighted
Average
Remaining
Contractual
Term (years)

 

 

Aggregate
Intrinsic Value

 

Balance as of December 31, 2023

 

 

140,109

 

 

$

37.48

 

 

 

8.07

 

 

 

 

Granted

 

 

506,127

 

 

$

1.58

 

 

 

 

 

 

 

Cancelled/expired

 

 

(47,696

)

 

$

38.02

 

 

 

 

 

 

 

Balance as of September 30, 2024

 

 

598,540

 

 

$

7.08

 

 

 

9.25

 

 

$

64,000

 

Vested and expected to vest at September 30, 2024

 

 

540,286

 

 

$

7.60

 

 

 

7.37

 

 

$

 

Exercisable at September 30, 2024

 

 

110,674

 

 

$

28.73

 

 

 

9.20

 

 

$

56,000