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SHORT-TERM INVESTMENTS (Tables)
12 Months Ended
Dec. 31, 2019
Disclosure of short-term investments [abstract]  
Schedule of Short-term Investments
   December 31, 
   2019   2018 
   U.S. Dollars in thousands 
         
Fair value through other comprehensive income  $12,832   $

10,325

 
Bank deposits in USD (1)   18,413    

22,174

 
Total Short-Term Investments   $31,245   $32,499 

 

(1)The deposits bear interest of 2.5%-3.3% and 2.6%-3.5% per year, as of December 31, 2019 and 2018, respectively.