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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2015
Goodwill And Intangible Assets Disclosure [Abstract] |
Carrying Values of Intangibles Assets | The carrying values of these intangibles assets are as follows (in thousands):
|  | Year ended December 31, |
|  | 2015 |  |  | 2014 |
CERE-110 for the treatment of Alzheimer's disease |  | $ | — |  |  | $ | 1,640 |
CERE-120 for the treatment of Parkinson's disease |  |  | — |  |  |  | 230 |
Total identifiable intangible assets |  | $ | — |  |  | $ | 1,870 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, 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 (b) -URI http://asc.fasb.org/extlink&oid=26713463&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 3 -Subparagraph (b),(d) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 + Details
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