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Note 6 - Inventories
6 Months Ended
Jun. 30, 2020
Notes to Financial Statements  
Inventory Disclosure [Text Block]

6.

INVENTORIES

 

The components of inventories are as follows:

 

   

June 30,

   

December 31,

 
   

2020

   

2019

 

Raw materials

  $ 47,707     $ 47,936  

Work in progress

    29,139       27,065  

Finished goods

    27,880       32,275  

Inventories

  $ 104,726     $ 107,276