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INVENTORIES
6 Months Ended
Jun. 30, 2018
Inventory Disclosure [Abstract]  
INVENTORIES
NOTE 2 - INVENTORIES
 
Inventory at June 30, 2018 and December 31, 2017 consisted of the following:
 
  
June 30,
  
December 31,
 
(
U.S. dollars in thousands)
 
2018
  
2017
 
Raw materials $3,280  $3,838 
Work in progress  365   485 
Finished goods  3,333   3,510 
Total inventory $6,978  $7,833