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Segment Information (Revenues, Cost Of Products And Services, And Gross Margins For Operating Segments) (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) segment | Mar. 31, 2017 USD ($)
Segment Reporting Information [Line Items] |  |
Number of reportable segments | segment | 2 |
Total revenues | $ 61,948 | $ 45,059
Total cost of products and preservation services | 22,720 | 15,547
Total gross margin | 39,228 | 29,512
Intersegment Eliminations [Member] |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 0 |
Operating Segments [Member] | Medical Devices [Member] |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 43,598 | 27,396
Total cost of products and preservation services | 14,157 | 8,017
Total gross margin | 29,441 | 19,379
Operating Segments [Member] | Preservation Services [Member] |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 18,350 | 17,663
Total cost of products and preservation services | 8,563 | 7,530
Total gross margin | $ 9,787 | $ 10,133

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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