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NOTE 2 - INVENTORIES
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
NOTE 2 - INVENTORIES

Inventories consisted of the following components:

       
    March 31,
2018
  December 31,
2017
 (in thousands)        
Raw material   $2,356   $2,392
Work-in-process   1,159   1,091
Finished goods   444   685
Inventories   $3,959   $4,168