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Cash and Cash Equivalents (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure of cash and cash equivalents [text block] [Abstract]  
Schedule of cash and cash equivalents
   As of December 31 
   2021   2020 
   USD thousands 
     
Balance in USD   9,174    10,758 
Balance in other currencies   1,716    489 
Total cash and cash equivalents   10,890    11,247