Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation (Tables)

v3.23.1
Stock-based Compensation (Tables)
12 Months Ended
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Schedule of summarizes activity for stock options under all plans
                Weighted-        
    Number of           Average        
    Shares     Weighted-     Remaining     Aggregate  
    Underlying     Average     Contractual     Intrinsic  
    Outstanding     Exercise     Term     Value  
    Options     Price     (in Years)     (in thousands)  
Outstanding, December 31, 2021     1,211,068     $ 3.19       8.66     $       321  
Options granted     324,000     $ 0.75                  
Options forfeited     (125,547 )   $ 3.05                  
Options exercised     (66,851 )   $ 0.45                  
Outstanding, December 31, 2022     1,342,670     $ 2.75       8.47     $ 52  
                                 
Options vested and exercisable as of December 31, 2022     683,661     $ 3.14       7.87     $ 52  

 

Schedule of Company has recorded stock-based compensation expense
    Year Ended
December 31,
2021
    Year Ended
December 31,
2022
 
             
Research and development   $ 721     $ 664  
General and administrative     245       383  
Total stock-based compensation   $ 966     $ 1,047  

 

Schedule of fair value of awards granted to employees, directors and non-employees
    Year Ended
December 31,
2021
    Year Ended
December 31,
2022
 
Expected volatility           101.00 – 105.00 %     101.00 – 105.00 %
Risk-free interest rate           0.61 – 1.34 %     2.90 – 3.96 %
Dividend yield           - %     - %
Expected term           5.13 - 6.25 years       6.25 years