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NOTE 2 - INVENTORIES
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
NOTE 2 - INVENTORIES

Inventories consisted of the following components:

   March 31,
2021
  December 31,
2020
 (in thousands)          
Raw material  $2,915   $3,143 
Work-in-process   1,393    1,204 
Finished goods   824    923 
Inventories  $5,132   $5,270