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Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2019
Disclosure of other current assets [text block] [Abstract]  
Schedule of other current assets [table text block]
   December 31 
   2019   2018 
   USD in thousands 
         
Institutions   109    163 
Prepaid expenses   76    85 
Advances to suppliers   51    72 
Other   85    84 
    321    404