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Segment and Geographic Information (Tables) | 12 Months Ended
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Dec. 31, 2017
Segment and Geographic Information [Abstract] |
Revenue by Geographic Area |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | 2017 |  | 2016 |  | 2015
﻿United States |  | $ | 138,387 |  | $ | 122,385 |  | $ | 102,212
﻿Europe |  |  | 21,901 |  |  | 19,772 |  |  | 17,180
﻿Asia |  |  | 13,616 |  |  | 12,223 |  |  | 9,510
﻿Other international |  |  | 812 |  |  | 729 |  |  | 853
﻿Total international |  |  | 36,329 |  |  | 32,724 |  |  | 27,543
﻿Total revenue |  | $ | 174,716 |  | $ | 155,109 |  | $ | 129,755
﻿
Revenue by Product Type | United States revenue by product type was as follows: ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | 2017 |  | 2016 |  | 2015
﻿Open-heart ablation |  | $ | 64,517 |  | $ | 58,050 |  | $ | 53,541
﻿Minimally invasive ablation |  |  | 34,421 |  |  | 31,169 |  |  | 21,564
﻿AtriClip devices |  |  | 37,281 |  |  | 30,321 |  |  | 24,377
﻿Total ablation and AtriClip devices |  |  | 136,219 |  |  | 119,540 |  |  | 99,482
﻿Valve tools |  |  | 2,168 |  |  | 2,845 |  |  | 2,730
﻿Total United States |  | $ | 138,387 |  | $ | 122,385 |  | $ | 102,212
﻿ International revenue by product type was as follows: ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | 2017 |  | 2016 |  | 2015
﻿Open-heart ablation |  | $ | 20,718 |  | $ | 20,189 |  | $ | 16,287
﻿Minimally invasive ablation |  |  | 8,007 |  |  | 8,065 |  |  | 7,964
﻿AtriClip devices |  |  | 7,251 |  |  | 3,986 |  |  | 2,868
﻿Total ablation and AtriClip devices |  |  | 35,976 |  |  | 32,240 |  |  | 27,119
﻿Valve tools |  |  | 353 |  |  | 484 |  |  | 424
﻿Total international |  | $ | 36,329 |  | $ | 32,724 |  | $ | 27,543
﻿

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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599 + Details
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