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OTHER NON-CURRENT ASSETS (Tables)
12 Months Ended
Dec. 31, 2018
Prepaid Expense and Other Assets, Noncurrent [Abstract]  
Schedule of Other Non-Current Assets
   
US dollars
 
   
December 31,
 
(in thousands)
 
2018
   
2017
 
             
Deferred installation expenses (*)
   
2,904
     
552
 
Deposits
   
318
     
387
 
     
3,222
     
939
 
 
(*)
See Note 1W.