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Note 4 - Inventory | 9 Months Ended
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Sep. 30, 2025
Notes to Financial Statements |
Inventory Disclosure [Text Block] |
4) | INVENTORY
The carrying values of inventory were as follows as of:
|  | September 30, 2025 |  |  | December 31, 2024 |
At average cost (approximates current cost) |  |  |  |  |  |  |  |
Finished goods |  | $ | 1,880 |  |  | $ | 10,809 |
Work in process |  |  | 601 |  |  |  | 872 |
Raw materials |  |  | 6,133 |  |  |  | 15,335 |
|  |  | 8,614 |  |  |  | 27,016 |
LIFO reserve |  |  | (2,481 | ) |  |  | (6,373 | )
Total inventory |  | $ | 6,133 |  |  | $ | 20,643 |
The Company recognized a liquidation of $5,083 during the nine months ended September 30, 2025 primarily as a result of lower biodiesel related inventories. The Company recognized a liquidation of $435 during the year ended December 31, 2024.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/330/tableOfContent + Details
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