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NOTE 2 - INVENTORIES
6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
NOTE 2 - INVENTORIES
Inventories consisted of the following components:            
             
    June 30,2019     December 31,2018  
 (in thousands)            
Raw material   $ 2,540     $ 2,925  
Work-in-process     2,145       1,584  
Finished goods     533       676  
Inventories   $ 5,218     $ 5,185