Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Tables)

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STOCK-BASED COMPENSATION (Tables)
 3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option, Activity
The following is a summary of stock option activity during the three months ended March 31, 2024:
Number of
options
outstanding		 Weighted
average
exercise
price		 Average
remaining
contractual life
(in years)		 Aggregate
intrinsic value
(in thousands)
Outstanding – December 31, 2023
 6,092,525  $ 2.22  8.7 $ 2,945 
Options granted
 —  — 
Options exercised
 —  — 
Options cancelled (25,748) 2.41 
Outstanding – March 31, 2024
 6,066,777  2.23  8.8 2,402 
Exercisable – March 31, 2024
 1,526,836  $ 1.88  7.4 $ 1,149 
Schedule of Nonvested Restricted Stock Units Activity
The following is a summary of RSU’s awards activity:
Three months ended March 31, 2024
Numbers of Shares Weighted Average Grant Date Fair value
Non-Vested at beginning of period 217,881  $ 3.12 
Shares granted —  — 
Shares vested —  — 
Non-vested 217,881  $ 3.12 
Schedule of Stock-Based Compensation
The following is a summary of stock-based compensation expense:
Three months ended March 31,
2024 2023
General and administrative
Stock options 736,000  200,000 
RSU’s 141,000  101,000 
Total general and administrative 877,000  301,000 
Research and development
Stock options 319,000  92,000 
  RSU’s 10,000  — 
Total research and development 329,000  92,000 
Total $ 1,206,000  $ 393,000