Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.23.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2023
Stock-Based Compensation  
Schedule of stock-based compensation expense

Three Months Ended March 31, 

2023

    

2022

General and administrative

$

272,210

$

554,661

Research and development

 

44,479

 

398,167

Total

$

316,689

$

952,828

Schedule of stock options issued and outstanding

Weighted-

Weighted-

Average

Average

Total

    

Exercise

Remaining

Aggregate

Price Per

Contractual

Intrinsic

    

Stock Options

    

Share

    

Life (in years)

    

Value

Outstanding at December 31, 2022

7,310,686

2.66

Granted

37,500

0.22

Exercised

(655,000)

0.00

Forfeited

(246,677)

6.18

Outstanding at March 31, 2023

6,446,509

2.78

6.5

$

343,101

Exercisable as of March 31, 2023

4,543,451

$

2.96

5.5

$

343,101

Schedule of key assumptions used to estimate the fair value of the stock options granted

Three Months Ended March 31, 

2023

    

2022

Expected term of options (years)

5.4 - 6.1

5.3 - 6.1

Expected common stock price volatility

82.3% - 85.2%

73.8% - 77.2%

Risk-free interest rate

3.5% - 4.0%

1.4% - 2.6%

Expected dividend yield

Schedule of changes in the outstanding restricted stock

Weighted-

Average Grant

Restricted Stock 

Date Fair Value 

    

Units

    

Price

Unvested as of December 31, 2022

 

$

Granted

396,460

0.20

Forfeited

 

 

Unvested as of March 31, 2023

 

396,460

 

0.20

Total unrecognized expense remaining

$

77,178

 

  

Weighted-average years expected to be recognized over

 

2.1