Quarterly report pursuant to Section 13 or 15(d)

Stockholders??? Equity (Tables)

v3.22.2.2
Stockholders’ Equity (Tables)
9 Months Ended
Sep. 30, 2022
Stockholders’ Equity (Tables) [Line Items]  
Schedule of outstanding warrants to purchase common stock issued to stockholders
Warrant   Issuance Date   Expiration
Date
  Exercise
Price
Per Share
    Number of
Shares of
Common
Stock
Underlying
Warrants
 
Private Placement Warrants   IPO (December 13, 2018)   December 13, 2023     11.50       2,900,000  
Public Warrants   IPO (December 13, 2018)   October 28, 2024     11.50       3,500,000  
2021 Registered Direct Offering Warrants   SPA (July 28, 2021)   January 28, 2027     5.00       2,812,501  
                      9,212,501  

 

Schedule of black-scholes option-pricing model
    Nine Months Ended
September 30,
 
    2022     2021  
Underlying value of Common Stock ($)     0.37-1.41       7.02  
Exercise price ($)     0.37-1.41       7.02  
Expected volatility (%)     85.3-88.4       85.0  
Expected terms of the option (years)     5.31-6.11       6.11  
Risk-free interest rate (%)     2.50-4.05       1.17  

 

Schedule of summary of options granted to purchase
    For the Nine Months Ended
September 30, 2022
 
    Number of
Options
    Weighted
Average
Exercise
Price
    Aggregate
Intrinsic
Value
 
Outstanding at the beginning of period     4,084,549       3.95       671  
Granted     1,814,000       1.14          
Forfeited     (868,141 )     4.08          
Exercised    
-
     
-
         
Outstanding at the end of period     5,030,408       2.92       74  
Exercisable at the end of period     2,691,163                  
Weighted average remaining contractual life of outstanding options – years as of September 30, 2022     7.18                  

 

Schedule of share-based payment expenses
    Nine Months Ended
September 30,
    Three Months Ended
September 30,
 
    2022     2021     2022     2021  
Research and development expenses, net     352       1,539       104       581  
General and administrative     810       1,113       259       446  
      1,162       2,652       363       1,027  
Warrant [Member]  
Stockholders’ Equity (Tables) [Line Items]  
Schedule of outstanding warrants to purchase common stock issued to stockholders
Warrant   Issuance Date   Expiration
Date
    Exercise
Price
Per Share
    Number of
Shares of
Common Stock
Underlying
Warrants
 
Private Warrants issued to scientific founders (see below)   November 27, 2017                    
      -
      2,974