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Inventories and Deferred Preservation Costs | 9 Months Ended
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Sep. 30, 2025
Inventory Disclosure [Abstract] |
Inventories and Deferred Preservation Costs | Inventories and Deferred Preservation Costs Inventories consist of the following (in thousands):
| September 30, 2025 |  | December 31, 2024
Raw materials and supplies | $ | 36,893 |  |  | $ | 35,295 |
Work-in-process | 19,727 |  |  | 13,926 |
Finished goods | 33,927 |  |  | 30,545 |
Inventories | $ | 90,547 |  |  | $ | 79,766 |
To facilitate product usage, we maintain consignment inventory On-X heart valves at domestic hospital locations and On-X heart valves, aortic stent grafts, and AMDS products at international hospital locations. We retain title and control over this consignment inventory until we receive a notification of implantation, at which time we invoice the hospital and recognize revenue. As of September 30, 2025 we had $13.8 million in consignment inventory, with approximately 33% in domestic locations and 67% in international locations. As of December 31, 2024 we had $12.2 million in consignment inventory, with approximately 39% in domestic locations and 61% in foreign locations. Total deferred preservation costs were $53.7 million and $51.7 million as of September 30, 2025 and December 31, 2024, 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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