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Stockholders' Equity (Deficit) (Tables)
6 Months Ended
Jun. 30, 2024
Equity [Abstract]  
Summary of Common Stock warrant activity

 

Number of Warrants

 

 

Weighted Average Exercise Price

 

 

Weighted Average Remaining Contractual Life in Years

 

 

Aggregate Intrinsic Value

 

Outstanding, December 31, 2023

 

4,638,454

 

 

$

10.20

 

 

 

4.62

 

 

$

1,382,919

 

Issued

 

89,787

 

 

 

2.81

 

 

 

 

 

 

 

Expired

 

(80,019

)

 

 

6.75

 

 

 

 

 

 

 

Outstanding, June 30, 2024

 

4,648,222

 

 

$

10.11

 

 

 

4.11

 

 

$

362,887

 

Exercisable, June 30, 2024

 

4,558,435

 

 

$

10.25

 

 

 

4.10

 

 

$

362,887

 

 

Summary of Option Activity

A summary of the option activity during the six months ended June 30, 2024 is as follows:

 

Number of
Options

 

 

Weighted
Average
Exercise
Price

 

 

Weighted
Average
Remaining
Life in
Years

 

 

Aggregate
Intrinsic
Value

 

Outstanding, December 31, 2023

 

 

1,689,765

 

 

$

2.72

 

 

 

9.00

 

 

$

1,850,397

 

Granted

 

 

112,981

 

 

 

3.05

 

 

 

 

 

 

 

Expired/Cancelled

 

 

(559,505

)

 

 

2.75

 

 

 

 

 

 

 

Outstanding, June 30, 2024

 

 

1,243,241

 

 

$

2.74

 

 

 

8.35

 

 

$

 

Vested/Exercisable, June 30, 2024

 

 

278,182

 

 

$

2.21

 

 

 

5.53

 

 

$

 

Schedule of Assumptions used in Black Scholes Option Pricing Model

The weighted average fair value of the options granted during the six months ended June 30, 2024 was based on a Black Scholes option pricing model using the following assumptions:

Expected volatility

 

70.0%

Expected term of option

 

6.0 - 7.0

Range of risk-free interest rate

 

3.8% -4.6%

Dividend yield

 

0%