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Note 4 - Inventory
9 Months Ended
Sep. 30, 2023
Notes to Financial Statements  
Inventory Disclosure [Text Block]

4)

INVENTORY

 

The carrying values of inventory were as follows as of:

 

  

September 30, 2023

  

December 31, 2022

 

At average cost (approximates current cost)

        

Finished goods

 $11,959  $11,719 

Work in process

  922   879 

Raw materials and supplies

  27,740   33,897 
   40,621   46,495 

LIFO reserve

  (13,711)  (19,734)

Total inventory

 $26,910  $26,761 

 

A LIFO liquidation of $151and $2,124 occurred in the nine and twelve months ended September 30, 2023 and December 31, 2022, respectively. The liquidation in 2023 related to the reduction of biodiesel inventory and the liquidation in 2022 related to the exit from pipeline business.