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Other Current Payables (Tables)
 12 Months Ended
Dec. 31, 2019
Payables and Accruals [Abstract]  
Other Current Liabilities [Table Text Block]
   December 31, 
   2019   2018 
   USD in thousands 
         
Employees and related expenses   882    648 
Accrued expenses   208    295 
Other payables   40    4 
    1,130    947