Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity (Tables)

v3.22.1
Stockholders Equity (Tables)
3 Months Ended
Mar. 31, 2022
Stockholders Equity (Tables) [Line Items]  
Schedule of outstanding warrants
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
    Three Months Ended
March 31,
 
    2022     2021  
Underlying value of Common Stock ($)     1.41       7.02  
Exercise price ($)     1.41       7.02  
Expected volatility (%)     85.3       85.0  
Expected terms of the option (years)     6.11       6.11  
Risk-free interest rate (%)     2.50       1.17  

 

Schedule of options granted to purchase common stock
    For the Three Months Ended
March 31, 2022
 
    Number of
Options
    Weighted
Average
Exercise Price
    Aggregate
Intrinsic
Value
 
Outstanding at the beginning of period     4,084,549     $ 3.95     $              671  
Granted     1,153,500     $ 1.41          
Forfeited     (88,399 )   $ 6.38          
Exercised     -     $ -          
Outstanding at the end of period     5,149,650     $              3.34     $ 888  
Exercisable at the end of period     2,801,390                  
Weighted average remaining contractual life of outstanding options – years as of March 31, 2022     7.25                  

   

Schedule of share-based payment expenses
    Three Months Ended
March 31,
 
    2022     2021  
Research and development expenses, net     258       331  
General and administrative     357       199  
      615       530  
Warrant [Member]  
Stockholders Equity (Tables) [Line Items]  
Schedule of outstanding warrants
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