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Segment And Geographic Information (Narrative) (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 USD ($) | [1] | Sep. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | [2] | Sep. 30, 2017 USD ($) | [2] | Jun. 30, 2017 USD ($) | [2] | Mar. 31, 2017 USD ($) | [2] | Dec. 31, 2016 USD ($) | Sep. 30, 2016 USD ($) | Jun. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) | Dec. 31, 2018 USD ($) segment | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of reportable segments | segment |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Revenues | $ 67,799 | $ 64,598 | $ 68,496 | $ 61,948 | $ 52,826 | $ 43,999 | $ 47,818 | $ 45,059 | $ 45,029 | $ 45,252 | $ 47,083 | $ 43,016 | $ 262,841 | $ 189,702 | $ 180,380
Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |
[1] | In December 2017 we completed our acquisition of JOTEC, which is also being operated as a wholly-owned subsidiary of CryoLife.
[2] | In January 2016 we completed our acquisition of On-X Life Technologies Holdings, Inc., which is being operated as a wholly-owned subsidiary of CryoLife. In 2016 we also sold our HeRO Graft product line and our ProCol product line, and ceased sales of these products during 2016.

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