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

6.

INVENTORIES

 

The components of inventories are as follows:

 

  

September 30,

  

December 31,

 
  

2020

  

2019

 

Raw materials

 $44,990  $47,936 

Work in progress

  26,614   27,065 

Finished goods

  32,043   32,275 

Inventories

 $103,647  $107,276