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Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | $ 8,500 | $ 17,600
NPS |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | 5,700 | 5,700
GALE-401 |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | 0 | 9,100
GALE-301 And GALE-302 |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | $ 2,800 | $ 2,800

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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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