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INVENTORIES
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
INVENTORIES
NOTE 2
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INVENTORIES
 
Inventory at March 31, 2018 and December 31, 2017 consisted of the following:
 
  
March 31,
  
December 31,
 
(
U.S. dollars in thousands)
 
2018
  
2017
 
Raw materials $3,529  $3,838 
Work in progress  317   485 
Finished goods  3,173   3,510 
Total inventory $7,019  $7,833