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Inventories and Deferred Preservation Costs | 12 Months Ended
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Dec. 31, 2024
Inventory Disclosure [Abstract] |
Inventories and Deferred Preservation Costs | Inventories and Deferred Preservation Costs Inventories consist of the following (in thousands):
| December 31,
| 2024 |  | 2023
Raw materials and supplies | $ | 35,295 |  |  | $ | 36,907 |
Work-in-process | 13,926 |  |  | 12,687 |
Finished goods | 30,545 |  |  | 32,382 |
Inventories | $ | 79,766 |  |  | $ | 81,976 |
Deferred preservation costs consist of the following (in thousands):
| December 31,
| 2024 |  | 2023
Cardiac tissues | $ | 26,489 |  |  | $ | 24,823 |
Vascular tissues | 25,212 |  |  | 24,981 |
Deferred preservation costs | $ | 51,701 |  |  | $ | 49,804 |
To facilitate product usage, we maintain consignment inventory of our 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 December 31, 2024 we had $12.2 million in consignment inventory, with approximately 39% in domestic locations and 61% in foreign locations. As of December 31, 2023 we had $10.7 million in consignment inventory, with approximately 44% in domestic locations and 56% in foreign locations.

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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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