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Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2023
Stockholders' Equity  
Schedule of components of stock-based compensation included in net loss

For the Years ended 

December 31, 

    

2023

    

2022

Employee stock options

$

1,929,665

$

2,782,694

Non-employee stock options

 

563,415

 

1,114,894

Employee stock awards

 

135,095

 

169,571

Non-employee stock awards

 

101

 

18,578

$

2,628,276

$

4,085,737

Schedule of stock option valuation assumptions

2022

Dividend yield

%

Expected volatility

100.85-105.09

%

Risk-free interest rate

1.95-3.61

%

Expected lives (years)

5.3-6.1

years

Schedule of stock option activity

    

    

Weighted

 

 

Weighted

Average

 

Aggregate

 

Average

Exercise

 

Intrinsic

 

Remaining

Shares

Price

 

Value

 

Contractual Life

Stock options outstanding at December 31, 2021

2,954,315

$

7.62

$

100,419

Granted

4,307,599

1.10

Exercised

(12,765)

1.30

$

Expired

(82,253)

10.20

Forfeited

(130,022)

4.44

Stock options outstanding at December 31, 2022

7,036,874

$

3.67

$

16,842

Expired

 

(198,478)

6.69

Forfeited

 

(399,465)

2.88

Stock options outstanding and expected to vest at December 31, 2023

 

6,438,931

$

3.63

$

9,052

8.0

Years

Stock options exercisable at December 31, 2023

4,601,719

$

4.52

$

9,052

7.7

Years

Schedule of restricted stock activity

Weighted

   

Average

Shares

Fair Value

Restricted stock at December 31, 2021

370,170

$

4.71

Vested

(336,169)

4.86

Restricted stock at December 31, 2022

34,001

$

3.22

Vested

(34,001)

3.22

Restricted stock at December 31, 2023

$

Schedule of RSU activity

Weighted

Average

Shares

   

Fair Value

RSUs at December 31, 2022

$

Granted

 

360,000

 

1.18

Vested

 

(110,000)

 

1.18

RSUs at December 31, 2023

 

250,000

$

1.18