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Finance Expense (Income), Net (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure of trading income (expense) [text block] [Abstract]  
Schedule of Finance expenses
   For the year ended December 31 
   2021   2020   2019 
   USD thousands 
Finance expenses            
Fees and interest expense   79    56    81 
Loss from exchange rate differences, net   133    5    100 
                
    212    61    181