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Financial Instruments (Details 1) (CyDex, USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Credit Derivatives [Line Items] |  |  |  |
Amount Of Revenue For Contingent Consideration | $ 15 |  |  |
Contingent Consideration |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Revenue volatility | 25.00% |  | 25.00% |
Average of probability of commercialization | 67.60% |  | 68.40% |
Sales beta | 0.60 |  | 0.60 |
Credit rating | BBB |  | BBB |
Equity risk premium | 6.00% |  | 6.00% |
Minimum | Contingent Consideration |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Range of annual revenue subject to revenue sharing | 4.2 | [1] | 3.6 | [1]
Maximum | Contingent Consideration |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Range of annual revenue subject to revenue sharing | $ 19.8 | [1] | $ 28.3 | [1]
[1] | Revenue subject to revenue sharing represent management’s estimate of the range of total annual revenue subject to revenue sharing (i.e. annual revenues in excess of $15 million) through December 31, 2016, which is the term of the CVR agreement.

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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Percentage above fair value that an investor seeking to acquire control of an entity will pay, used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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