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Shareholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2023
Shareholders' Equity [Abstract]  
Schedule of share option activity under option plans
   Number of options   Weighted Average Exercise
Price		   Weighted Average Remaining Contractual Life 
Outstanding – January 1, 2023   96,458   $4.89    5.34 
Granted   
-
   $
-
      
Exercised   
-
   $
-
      
Expired and forfeited   (435)  $40.0      
                
Outstanding – March 31, 2023   96,023   $4.7    5.12 
Exercisable – March 31, 2023   79,076   $2.1    4.22 
Schedule of RSUs outstanding
   March 31 2023 
   Number of RSUs   Weighted-Average Grant Date Fair Value 
RSUs outstanding at the beginning of the year   59,200   $16.2 
Granted during the period   
-
    
-
 
Exercised during the period   
-
    
-
 
Forfeited during the period   (1,200)   
-
 
Outstanding as of March 31, 2023   58,000   $16.2 

(*)Adjusted to reflect April 2023 reverse stock split, see note 3(j).