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Forfeiture Shares (Tables)
12 Months Ended
Dec. 31, 2021
Schedule of Fair Value of Forfeited Shares
The following assumptions were used for options granted during the year in order to estimate the fair value of stock-based compensation awards:
 
    
2021
   
2020
 
Expected term
    
6-10
     
6-10
 
Expected volatility
    
46.71%-50.7%
      48.15
Expected dividend rate
     0     0
Risk-free rate
    
0.61%-1.74
   
0.42%-1.69
Schedule of Changes in Fair Value of Forfeited Shares
 
 
b.
The table below sets forth a summary of the changes in the fair value of the warrants liability classified as Level 3:
 
 
 
  
  2021  
 
  
  2020  
 
  
  2019  
 
  
 
 
 
  
 
 
 
  
 
 
 
 
  
U.S. dollars in thousands
 
Balance at beginning of year
     568        459        459  
Exercise of warrants
     (568      —          —    
Changes in fair value
     —          109         
    
 
 
    
 
 
    
 
 
 
Balance at end of year
            568        459  
    
 
 
    
 
 
    
 
 
 
Forfeited Ordinary Shares [Member]  
Schedule of Fair Value of Forfeited Shares
The fair value of the Forfeiture Shares was computed using the following key assumptions:
 
    
December 31,
2021
 
Stock price
     7.7  
Expected term (years)
    
2.75-3.75
 
Expected volatility
    
48.77%-48.92
Risk-free interest rate
    
0.91%-1.08
Schedule of Changes in Fair Value of Forfeited Shares
 
b.
The table below sets forth a summary of the changes in the fair value of the Forfeiture Shares classified as Level 3:
 
    
    2021    
    
    2020    
 
    
 
 
    
 
 
 
    
U.S. dollars in

thousands
 
Balance at beginning of year
     —          —    
Issuance of Forfeiture Shares
     4,485        —    
Changes in fair value
     173        —    
    
 
 
    
 
 
 
Balance at end of year
     4,658        —