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Note 6 - Inventories
3 Months Ended
Mar. 31, 2022
Notes to Financial Statements  
Inventory Disclosure [Text Block]

6.

INVENTORIES

 

The components of inventories are as follows:

 

  

March 31,

  

December 31,

 
  

2022

  

2021

 

Raw materials

 $69,239  $67,127 

Work in progress

  44,117   31,103 

Finished goods

  41,985   41,153 

Inventories

 $155,341  $139,383