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Cash and Cash Equivalents (Tables)
12 Months Ended
Dec. 31, 2018
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents, Currencies
The Company’s cash and cash equivalent balance at December 31, 2018 and 2017 is denominated in the following currencies:

   
December 31,
 
   
2018
   
2017
 
   
U.S. Dollars (in thousands)
 
US Dollars
   
49,678
     
36,636
 
New Israeli Shekels
   
2,790
     
1,122
 
Euro
   
1,486
     
3,603
 
Other currencies
   
981
     
2,383
 
                 
     
54,935
     
43,744