Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.23.2
Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2023
Stock-Based Compensation  
Schedule of stock-based compensation expense

    

Three Months Ended June 30, 

Six Months Ended June 30, 

2023

    

2022

2023

    

2022

General and administrative

$

209,522

$

507,435

$

481,732

$

1,062,096

Research and development

 

35,490

 

133,611

 

79,969

 

531,778

Total

$

245,012

$

641,046

$

561,701

$

1,593,874

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

365,287

$

53.27

Granted

1,875

4.34

Exercised

(32,750)

0.02

Forfeited

(19,740)

94.82

Outstanding at June 30, 2023

314,672

55.91

6.0

$

172,296

Exercisable as of June 30, 2023

240,712

$

58.15

5.2

$

172,296

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

Six Months Ended June 30, 

2023

    

2022

Expected term of options (years)

5.4 - 6.1

5.3 - 6.1

Expected common stock price volatility

82.3% - 85.2%

73.7% - 77.2%

Risk-free interest rate

3.5% - 4.0%

1.4% - 3.1%

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

19,823

4.00

Forfeited

 

 

Unvested as of June 30, 2023

 

19,823

 

4.00

Total unrecognized expense remaining

$

65,602

 

  

Weighted-average years expected to be recognized over

 

1.9