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NOTE 2 - INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2018
Note 2 - Inventories  
INVENTORIES
Inventories consisted of the following components:        
    June 30,
2018
  December 31,
2017
 (in thousands)        
Raw material   $2,695   $2,392
Work-in-process   1,091   1,091
Finished goods   534   685
Inventories   $4,320   $4,168