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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory
a.Inventories at March 31, 2019 and December 31, 2018 consisted of the following:
  
March 31,
  
December 31,
 
(
U.S. dollars in thousands)
 
2019
  
2018
 
Raw materials $3,047  $3,792 
Work in progress  45     
Finished goods  3,615   4,777 
Total inventory $6,707  $8,569