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Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Schedule of Carrying Value of Intangible Asset | The carrying value as of March 31, 2018 and December 31, 2017 is as follows:
In thousands |  | March 31, 2018 |  |  | December 31, 2017 |
Technology rights |  | $ | 11,624 |  |  | $ | 11,624 |
Accumulated amortization |  |  | (3,660 | ) |  |  | (3,498 | )
Intangible assets, net |  | $ | 7,964 |  |  | $ | 8,126 |

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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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