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Segment And Geographic Information (Revenues, Cost Of Products And Services, And Gross Margins For Operating Segments) (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 USD ($) | Sep. 30, 2016 USD ($) | [1] | Jun. 30, 2016 USD ($) | [1] | Mar. 31, 2016 USD ($) | [1] | Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Sep. 30, 2014 USD ($) | Jun. 30, 2014 USD ($) | Mar. 31, 2014 USD ($) | Dec. 31, 2016 USD ($) segment | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of reportable segments | segment |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Total revenues | $ 45,029 | [1] | $ 45,252 | $ 47,083 | $ 43,016 | $ 39,838 | $ 36,703 | $ 35,526 | $ 33,831 | $ 37,151 | $ 37,069 | $ 34,690 | $ 35,731 | $ 180,380 | $ 145,898 | $ 144,641
Total cost of products and preservation services |  |  |  |  |  |  |  |  |  |  |  |  |  | 61,481 | 55,179 | 53,350
Total gross margin | 31,195 | [1] | $ 29,782 | $ 30,301 | $ 27,621 | 26,516 | $ 22,982 | $ 21,554 | $ 19,667 | 22,635 | $ 23,799 | $ 22,384 | $ 22,473 | 118,899 | 90,719 | 91,291
Goodwill | 78,294 |  |  |  |  | 11,365 |  |  |  | $ 11,365 |  |  |  | 78,294 | 11,365 | 11,365
Medical Devices [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill | $ 78,300 |  |  |  |  | $ 11,400 |  |  |  |  |  |  |  | 78,300 | 11,400 |
Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |
Operating Segments [Member] | Medical Devices [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  |  |  |  |  | 113,992 | 83,081 | 81,883
Total cost of products and preservation services |  |  |  |  |  |  |  |  |  |  |  |  |  | 28,033 | 18,663 | 17,167
Total gross margin |  |  |  |  |  |  |  |  |  |  |  |  |  | 85,959 | 64,418 | 64,716
Operating Segments [Member] | Preservation Services [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  |  |  |  |  | 66,388 | 62,817 | 62,758
Total cost of products and preservation services |  |  |  |  |  |  |  |  |  |  |  |  |  | 33,448 | 36,516 | 36,183
Total gross margin |  |  |  |  |  |  |  |  |  |  |  |  |  | 32,940 | 26,301 | 26,575
Domestic [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 131,727 | $ 114,978 | $ 110,533
Domestic [Member] | Long-Lived Assets [Member] | Geographic Concentration Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 99.00% | 99.00% |
[1] | In January 2016 the Company completed its acquisition of On-X Life Technologies Holdings, Inc., which is being operated as a wholly owned subsidiary of CryoLife. In 2016 the Company also sold its HeRO Graft product line and its ProCol product line, and ceased sales of these products during 2016.

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