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Segment Information | 12 Months Ended
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Dec. 31, 2017
Segment Information [Abstract] |
Segment Information | 20. Segment and Geographic Information ﻿ We have two reportable segments organized according to our products and services: Medical Devices and Preservation Services. The Medical Devices segment includes external revenues from product sales of BioGlue, BioFoam, On-X products, JOTEC products, CardioGenesis cardiac laser therapy, PerClot, PhotoFix, HeRO Graft through the second quarter of 2016, and ProCol through the date of the sale of the ProCol product line in the first quarter of 2016. The Preservation Services segment includes external services revenues from the preservation of cardiac and vascular tissues. There are no intersegment revenues. ﻿ The primary measure of segment performance, as viewed by our management, is segment gross margin, or net external revenues less cost of products and preservation services. We do not segregate assets by segment; therefore, asset information is excluded from the segment disclosures below. ﻿ The following table summarizes revenues, cost of products and preservation services, and gross margins for our operating segments (in thousands): ﻿ ﻿
﻿ |  |  |  |  |  |  |  |
﻿ | 2017 |  | 2016 |  | 2015
﻿Revenues: |  |  |  |  |  |  |  |
﻿Medical devices | $ | 119,631 |  | $ | 113,992 |  | $ | 83,081
﻿Preservation services |  | 70,071 |  |  | 66,388 |  |  | 62,817
﻿Total revenues |  | 189,702 |  |  | 180,380 |  |  | 145,898
﻿ |  |  |  |  |  |  |  |
﻿Cost of products and preservation services: |  |  |  |  |  |  |  |
﻿Medical devices |  | 29,798 |  |  | 28,033 |  |  | 18,663
﻿Preservation services |  | 31,262 |  |  | 33,448 |  |  | 36,516
﻿Total cost of products and preservation services |  | 61,060 |  |  | 61,481 |  |  | 55,179
﻿ |  |  |  |  |  |  |  |
﻿Gross margin: |  |  |  |  |  |  |  |
﻿Medical devices |  | 89,833 |  |  | 85,959 |  |  | 64,418
﻿Preservation services |  | 38,809 |  |  | 32,940 |  |  | 26,301
﻿Total gross margin | $ | 128,642 |  | $ | 118,899 |  | $ | 90,719
﻿ Net revenues by product for the years ended December 31, 2017, 2016, and 2015 were as follows (in thousands): ﻿ ﻿
﻿ |  |  |  |  |  |  |  |
﻿ | 2017 |  | 2016 |  | 2015
﻿Products: |  |  |  |  |  |  |  |
﻿BioGlue and BioFoam | $ | 65,939 |  | $ | 63,461 |  | $ | 59,332
﻿On-X |  | 37,041 |  |  | 34,232 |  |  | --
﻿JOTEC |  | 4,136 |  |  | -- |  |  | --
﻿CardioGenesis cardiac laser therapy |  | 6,866 |  |  | 7,864 |  |  | 9,419
﻿PerClot |  | 3,533 |  |  | 4,021 |  |  | 4,083
﻿PhotoFix |  | 2,116 |  |  | 1,871 |  |  | 1,396
﻿HeRO Graft |  | -- |  |  | 2,325 |  |  | 7,546
﻿ProCol |  | -- |  |  | 218 |  |  | 1,305
﻿Total products |  | 119,631 |  |  | 113,992 |  |  | 83,081
﻿ |  |  |  |  |  |  |  |
﻿Preservation services: |  |  |  |  |  |  |  |
﻿Cardiac tissue |  | 32,510 |  |  | 29,697 |  |  | 28,059
﻿Vascular tissue |  | 37,561 |  |  | 36,691 |  |  | 34,758
﻿Total preservation services |  | 70,071 |  |  | 66,388 |  |  | 62,817
﻿ |  |  |  |  |  |  |  |
﻿Total revenues | $ | 189,702 |  | $ | 180,380 |  | $ | 145,898
﻿ Net revenues by geographic location attributed to countries based on the location of the customer for the years ended December 31, 2017, 2016, and 2015 were as follows (in thousands): ﻿ ﻿
﻿ |  |  |  |  |  |  |  |
﻿ | 2017 |  | 2016 |  | 2015
﻿U.S. | $ | 135,102 |  | $ | 131,727 |  | $ | 114,978
﻿International |  | 54,600 |  |  | 48,653 |  |  | 30,920
﻿Total revenues | $ | 189,702 |  | $ | 180,380 |  | $ | 145,898
﻿ At December 31, 2017 and 2016 60% and 99%, respectively, of our long‑lived assets were held in the U.S., where the corporate headquarters and a portion of our manufacturing facilities are located. At December 31, 2017 $13.3 million of our long-lived assets were located internationally, of which 99% were located in Hechingen, Germany. At December 31, 2017 and 2016 $188.3 million an d $78.3 million, respectively, of our goodwill was allocated entirely to our Medical Devices segment.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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