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NOTE 3 - INVENTORIES
12 Months Ended
Dec. 31, 2017
Inventory Disclosure [Abstract]  
INVENTORIES
   December 31,
2017
  December 31,
2016
 (in thousands)          
Raw material  $2,392   $2,402 
Work-in-process   1,091    1,226 
Finished goods   685    431 
Inventories  $4,168   $4,059