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Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2015
Current assets  
Other Current Assets
   
December 31,
   
December 31,
 
   
2015
   
2014
 
   
U.S. Dollars
 
Prepaid expenses
    600       584  
Advances to suppliers
    220       361  
Deposits for operating leases
    203       113  
Due from Government institutions
    182       1,013  
Other
    507       311  
                 
      1,712       2,382