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Intangible Assets and Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2017
Intangible Assets and Goodwill [Abstract] |
Company's Intangible Assets |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  | 2017 |  | 2016
﻿ | Estimated |  |  |  |  | Accumulated |  |  |  |  | Accumulated
﻿ | Useful Life |  | Cost |  | Amortization |  | Cost |  | Amortization
﻿Fusion technology | 10 years |  | $ | 9,242 |  | $ | 3,697 |  | $ | 9,242 |  | $ | 2,773
﻿Clamp & probe technology | 3 years |  |  | 829 |  |  | 829 |  |  | 829 |  |  | 829
﻿SUBTLE access technology | 5 years |  |  | 2,179 |  |  | 981 |  |  | 2,179 |  |  | 538
﻿IPR&D |  |  |  | 44,021 |  |  | — |  |  | 44,021 |  |  | —
﻿Total |  |  | $ | 56,271 |  | $ | 5,507 |  | $ | 56,271 |  | $ | 4,140
﻿
Future Amortization Expense Related to Intangible Assets with Definite Lives |
﻿ |  |  |
﻿ |  |  |
﻿2018 |  | $ | 1,367
﻿2019 |  |  | 1,367
﻿2020 |  |  | 1,235
﻿2021 |  |  | 924
﻿2022 |  |  | 925
﻿2023 and thereafter |  |  | 925
﻿Total |  | $ | 6,743
﻿
Summary of Company's Goodwill |
﻿ |  |  |
﻿ |  |  |
﻿Net carrying amount as of December 31, 2015 |  | $ | 105,257
﻿Additions (Impairments) |  |  | —
﻿Net carrying amount as of December 31, 2016 |  |  | 105,257
﻿Additions (Impairments) |  |  | —
﻿Net carrying amount as of December 31, 2017 |  | $ | 105,257
﻿

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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