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Note 7 - Inventories
12 Months Ended
Dec. 31, 2020
Notes to Financial Statements  
Inventory Disclosure [Text Block]

7.

INVENTORIES

 

The components of inventories are as follows:

 

  

December 31,

 
  

2020

  

2019

 

Raw materials

 $40,846  $47,936 

Work in progress

  25,916   27,065 

Finished goods

  33,371   32,275 

Inventories

 $100,133  $107,276