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STOCK BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2023
STOCK-BASED COMPENSATION  
Summary of the company's stock option activity

    

    

    

Weighted Average

Remaining

Weighted Average 

Contractual

    

Number of Shares

    

Exercise Price

    

Total Intrinsic Value

    

Life (in years)

Outstanding as of January 1, 2023

 

886,173

$

42.90

$

7.3

Granted

 

411,532

2.15

9.9

Canceled/Expired

 

(1,000)

Outstanding as of March 31, 2023

 

1,296,705

$

29.98

$

8.0

Options vested and exercisable

 

604,335

$

56.39

$

6.5

Schedule or description of weighted average discount rate

For the Three Months Ended

    

March 31, 2023

  

Exercise price

$

2.15

Expected term (years)

 

6.0

Expected stock price volatility

 

90

%

Risk-free rate of interest

 

4

%

Expected dividend rate

 

0

%

Schedule of stock-based compensation expenses

    

For the Three Months Ended

March 31, 

    

2023

    

2022

Stock Compensation expenses:

 

  

 

  

Research and development

$

408,000

$

878,000

General and administrative

 

252,000

 

753,000

Total stock compensation expenses

$

660,000

$

1,631,000