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Intangible Assets - Additional Information (Detail) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) Candidate
Finite Lived Intangible Assets [Line Items] |
Impairment charge | $ 1,870
Ceregene, Inc. [Member] |
Finite Lived Intangible Assets [Line Items] |
Number of clinical product candidates | Candidate | 2
Impairment charge | $ 1,870

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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 + Details
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- Details
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