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Selected Income Statement Data
 12 Months Ended
Dec. 31, 2018
Selected Income Statement Data [Abstract]  
Selected Income Statement Data
Note 15 - Selected Income Statement Data

A.
Revenues
 
   
Year Ended December 31,
  
   
2018
    
2017
    
2016
  
   
U.S. Dollars (in thousands)
  
Sales of products
    
117,537
      
88,295
      
74,730
  
Service fees
    
5,637
      
5,190
      
4,498
  
                         
     
123,174
      
93,485
      
79,228
  
 
B.
Selling, general and administrative expenses
 
   
Year Ended December 31,
  
   
2018
    
2017
    
2016
  
   
U.S. Dollars (in thousands)
  
Selling (1)
    
19,233
      
14,096
      
13,146
  
General and administrative
    
6,949
      
7,926
      
8,754
  
                         
     
26,182
      
22,022
      
21,900
  
                         
(1)          Including shipping and handling costs
    
884
      
697
      
625
  

C.
Financial income (expenses), net
 
   
Year Ended December 31,
  
   
2018
    
2017
    
2016
  
   
U.S. Dollars (in thousands)
  
Interest expense
    
-
      
(13
)
    
(246
)
Interest income
    
594
      
77
      
63
  
Re-evaluation expense on liabilities to the IIA
    
-
      
-
      
(183
)
Other, net (*)
    
134
      
(214
)
    
(481
)
                         
     
728
      
(150
)
    
(847
)

(*)
Other, net includes foreign currency income (expense) resulting from transactions not denominated in U.S. Dollars amounting to $226, $(41), and $(351) in 2018, 2017 and 2016, respectively.