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Inventory | 9 Months Ended
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Sep. 30, 2025
Inventory Disclosure [Abstract] |
Inventory | Inventory The following table summarizes the components of our inventory, net of allowance for obsolescence, as of the dates presented:
| September 30, |  | December 31,
| 2025 |  | 2024
Raw materials, net of allowance of $1,499 and $4,379, respectively | $ | 20,425 |  |  | $ | 17,706 |
Work-in-process | 1,083 |  |  | 345 |
Inventory - current | 21,508 |  |  | 18,051 |
Raw materials - long term, net of allowance of $1,020 and $1,488, respectively | — |  |  | — |
Total inventory | $ | 21,508 |  |  | $ | 18,051 |
Our long-term inventory, which is fully reserved for obsolescence, consists of raw materials that remain viable but with limited market opportunities. The following table summarizes the changes in our allowance for obsolescence for the periods presented:
| September 30, |  | December 31,
| 2025 |  | 2024
Beginning balance | $ | 5,867 |  |  | $ | 4,004 |
Allowance for obsolescence | 61 |  |  | 1,863 |
Write-offs | (3,409) |  |  | — |
Ending balance | $ | 2,519 |  |  | $ | 5,867 |
The substantial write-off of the allowance for obsolescence during the nine months ended September 30, 2025 reflects the disposal of inventory items, including engines, frames and coolers, among other items that were previously held and reserved at our former Midland, Texas fabrication facility.

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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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