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INVENTORIES | 3 Months Ended
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Mar. 31, 2026
INVENTORIES |
INVENTORIES | NOTE 8 — INVENTORIES Inventories in the Condensed Consolidated Balance Sheets are comprised of the following components: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | March 31, 2026 | ​ ​ ​ | December 31, 2025
Raw materials | ​ | $ | 155,206 | ​ | $ | 164,440
Work-in-process | ​ |  | 157,943 | ​ |  | 124,351
Finished goods | ​ |  | 380,789 | ​ |  | 344,573
Total | ​ | $ | 693,938 | ​ | $ | 633,364
​ At both March 31, 2026 and December 31, 2025, approximately 38% of total inventories were valued using the last-in, first-out ("LIFO") method. The excess of current cost over LIFO cost was $139,427 and $138,589 at March 31, 2026 and December 31, 2025, respectively.

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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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