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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Goodwill and Other Intangible Assets [Abstract] |
Schedule of Goodwill | The changes in the carrying amounts of goodwill for the years ended December 31, 2016 and 2015 were as follows (in thousands):
|  | Year Ended |
|  | December 31, |
|  | 2016 |  | 2015 |
Beginning balance |  | $ | 53,065 |  | $ | 54,612 |
Currency translation |  |  | (1,392) |  |  | (1,547) |
Ending balance |  | $ | 51,673 |  | $ | 53,065 |
Schedule of Identifiable Intangible Assets | Purchased intangible assets consisted of the following as of December 31, 2016 and 2015 (in thousands):
|  | December 31, 2016 |  | December 31, 2015 |
|  | Gross |  |  |  |  |  | Gross |  |  |  |  |
|  | Carrying |  | Accumulated |  | Intangible |  | Carrying |  | Accumulated |  | Intangible |
|  | Amount |  | Amortization |  | Assets, Net |  | Amount |  | Amortization |  | Assets, Net |
Finite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proprietary adjuvant technology |  | $ | 8,222 |  | $ | (1,404) |  | $ | 6,818 |  | $ | 8,858 |  | $ | (1,070) |  | $ | 7,788 |
Collaboration agreements |  |  | 3,713 |  |  | (1,306) |  |  | 2,407 |  |  | 3,999 |  |  | (994) |  |  | 3,005 |
Total identifiable intangible assets |  | $ | 11,935 |  | $ | (2,710) |  | $ | 9,225 |  | $ | 12,857 |  | $ | (2,064) |  | $ | 10,793 |
Schedule of Estimated Amortization Expense | Estimated amortization expense for existing intangible assets for each of the five succeeding years ending December 31, is as follows (in thousands):
Year |  | Amount |
2017 |  | $ | 793 |
2018 |  |  | 793 |
2019 |  |  | 793 |
2020 |  |  | 677 |
2021 |  |  | 472 |

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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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