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Inventories And Deferred Preservation Costs
 12 Months Ended
Dec. 31, 2016
Inventories And Deferred Preservation Costs [Abstract]  
Inventories And Deferred Preservation Costs

10.  Inventories and Deferred Preservation Costs



Inventories at December 31, 2016 and 2015 are comprised of the following (in thousands):



 

 

 

 

 



2016

 

2015

Raw materials and supplies

$

 9,321 

 

$

 8,590 

Work-in-process

 

 3,321 

 

 

 633 

Finished goods

 

 13,651 

 

 

 5,420 

Total inventories

$

 26,293 

 

$

 14,643 



Deferred preservation costs at December 31, 2016 and 2015 are comprised of the following (in thousands):







 

 

 

 

 



2016

 

2015

Cardiac tissues

$

 15,768 

 

$

 11,722 

Vascular tissues

 

 14,920 

 

 

 13,019 

Total deferred preservation costs

$

 30,688 

 

$

 24,741 



The Company maintains consignment inventory of its On-X heart valves at domestic and international hospital locations to facilitate usage.  The Company retains title to this consignment inventory until the valve is implanted, at which time the Company invoices the hospital.  As of December 31, 2016 the Company had $4.9 million in consignment inventory, with approximately 80% in domestic locations and 20% in foreign locations.