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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2016
Inventory Disclosure [Abstract]  
Schedule of Inventory
   
US dollars
 
   
December 31,
 
(in thousands)
 
2016
   
2015
 
Finished products
   
7,793
     
8,833
 
Raw materials
   
6,558
     
3,948
 
     
14,351
     
12,781