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Segment And Geographic Information (Tables) | 12 Months Ended
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Dec. 31, 2020
Segment And Geographic Information [Abstract] |
Revenues, Cost Of Products And Services, And Gross Margins For Operating Segments |
| 2020 |  | 2019 |  | 2018
Revenues: |  |  |  |  |  |  |  |
Medical devices | $ | 179,299 |  | $ | 197,246 |  | $ | 187,394
Preservation services |  | 73,928 |  |  | 78,976 |  |  | 75,447
Total revenues |  | 253,227 |  |  | 276,222 |  |  | 262,841
Cost of products and preservation services: |  |  |  |  |  |  |  |
Medical devices |  | 50,128 |  |  | 55,022 |  |  | 53,772
Preservation services |  | 35,315 |  |  | 38,187 |  |  | 36,085
Total cost of products and preservation services |  | 85,443 |  |  | 93,209 |  |  | 89,857
Gross margin: |  |  |  |  |  |  |  |
Medical devices |  | 129,171 |  |  | 142,224 |  |  | 133,622
Preservation services |  | 38,613 |  |  | 40,789 |  |  | 39,362
Total gross margin | $ | 167,784 |  | $ | 183,013 |  | $ | 172,984
Summary Of Net Revenues By Product And Service |
| 2020 |  | 2019 |  | 2018
Products: |  |  |  |  |  |  |  |
BioGlue | $ | 62,068 |  | $ | 68,611 |  | $ | 66,660
Aortic stents and stent grafts |  | 61,663 |  |  | 64,974 |  |  | 63,341
On-X |  | 48,053 |  |  | 50,096 |  |  | 44,832
PhotoFix |  | 4,169 |  |  | 3,754 |  |  | 2,577
PerClot |  | 2,882 |  |  | 3,795 |  |  | 3,767
CardioGenesis cardiac laser therapy |  | 464 |  |  | 6,016 |  |  | 6,217
Total products |  | 179,299 |  |  | 197,246 |  |  | 187,394
Preservation services: |  |  |  |  |  |  |  |
Cardiac tissue |  | 37,893 |  |  | 40,879 |  |  | 35,683
Vascular tissue |  | 35,852 |  |  | 38,097 |  |  | 39,764
NeoPatch |  | 183 |  |  | -- |  |  | --
Total preservation services |  | 73,928 |  |  | 78,976 |  |  | 75,447
Total revenues | $ | 253,227 |  | $ | 276,222 |  | $ | 262,841
Schedule Of Net Revenues By Geographic Location |
| 2020 |  | 2019 |  | 2018
U.S. | $ | 138,274 |  | $ | 150,553 |  | $ | 144,651
International |  | 114,953 |  |  | 125,669 |  |  | 118,190
Total revenues | $ | 253,227 |  | $ | 276,222 |  | $ | 262,841

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 + Details
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