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U.S. Government Agreement, Joint Venture and Collaborations (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |  |  | 1 Months Ended | 9 Months Ended | 19 Months Ended | 32 Months Ended | 1 Months Ended |  | 1 Months Ended | 9 Months Ended | 15 Months Ended |
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Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Feb. 28, 2011 | Sep. 30, 2013 Cadila [Member] | Feb. 28, 2011 HHS BARDA Contract [Member] | Sep. 30, 2013 HHS BARDA Contract [Member] | Sep. 30, 2013 HHS BARDA Contract [Member] | Sep. 30, 2013 HHS BARDA Contract [Member] | Feb. 28, 2011 HHS BARDA Option for Additional Period [Member] | Feb. 28, 2011 License Agreement with LG Life Sciences, Ltd. [Member] | Jul. 31, 2012 PATH Vaccine Solutions [Member] | Sep. 30, 2013 PATH Vaccine Solutions [Member] | Sep. 30, 2013 PATH Vaccine Solutions [Member] | Aug. 31, 2013 PATH Vaccine Solutions [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract receivable |  |  |  |  | $ 179,000 |  | $ 97,000 |  |  |  | $ 82,000 |  |  |  |  |
Contract term |  |  |  |  |  |  | 3 years |  |  |  | 2 years |  |  |  |  |
Government contracts | 4,268 | 5,583 | 10,985 | 17,328 |  |  |  | 10,700 |  | 45,000 |  |  |  |  |  |
Research and development collaborations | 534 | 182 | 1,182 | 182 |  |  |  |  |  |  |  |  | 2,000 | 700 | 2,000 |
Research and development collaboration increase |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400
Trial costs incurred |  |  |  |  |  |  |  |  | 2,900 |  |  |  |  |  |  |
Upfront license payment |  |  |  |  |  |  |  |  |  |  |  | $ 2,500 |  |  |  |
Ownership percentage | 20.00% |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Joint Venture Percentage Owned By Others |  |  |  |  |  | 80.00% |  |  |  |  |  |  |  |  |  |

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- Definition Total clinical trial costs incurred. + References No definition available. + Details
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- Definition Contract Term + References No definition available. + Details
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- Definition The percentage of the joint venture owned by others. + References No definition available. + Details
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- Definition Research And Development Collaboration + References No definition available. + Details
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- Definition Research And Development Collaboration Increase + References No definition available. + Details
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- Definition Upfront License Payment + References No definition available. + Details
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- Details
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- Definition Revenue earned during the period arising from products sold or services provided under the terms of a contract, not elsewhere specified in the taxonomy. May include government contracts, construction contracts, and any other contract related to a particular project or product. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Definition The amount of receivables that are derived from government contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6471842&loc=d3e55295-109406 + Details
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