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Note 4 - Inventory
3 Months Ended
Mar. 31, 2022
Notes to Financial Statements  
Inventory Disclosure [Text Block]

4)

INVENTORY

 

The carrying values of inventory were as follows as of:

 

  

March 31, 2022

  

December 31, 2021

 

At average cost (approximates current cost)

        

Finished goods

 $35,741  $12,132 

Work in process

  931   462 

Raw materials and supplies

  16,256   30,117 
   52,928   42,711 

LIFO reserve

  (15,308)  (15,791)

Total inventory

 $37,620  $26,920 

 

For the three months ended March 31, 2022, a liquidation of $2,124 occurred as we exited the pipeline business.  No liquidation occurred in the three months ended March 31, 2021.