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Inventories and Deferred Preservation Costs
 3 Months Ended
Mar. 31, 2026
Inventory Disclosure [Abstract]  
Inventories and Deferred Preservation Costs Inventories and Deferred Preservation Costs
Inventories consist of the following (in thousands):
March 31,
2026		December 31,
2025
Raw materials and supplies$37,897 $36,355 
Work-in-process20,399 17,133 
Finished goods39,699 38,939 
Inventories$97,995 $92,427 
To facilitate product usage, we maintain consignment inventory of 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 March 31, 2026 we had $15.6 million in consignment inventory, with approximately 36% in domestic locations and 64% in international locations. As of December 31, 2025 we had $14.9 million in consignment inventory, with approximately 33% in domestic locations and 67% in foreign locations.
Total deferred preservation costs were $53.4 million and $54.5 million as of March 31, 2026 and December 31, 2025, respectively.