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Fair Value Measurement (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Credit Derivatives [Line Items] |  |  |  |
Change in fair value of Viking convertible notes |  | $ (765) | $ 0 | $ 0
CyDex |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Amount Of revenue for contingent consideration |  | 15,000 |  |
CyDex | Contingent Consideration |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Range of annual revenue subject to revenue sharing | [1] | $ 22,500 |  |
Revenue volatility (percent) |  | 25.00% | 25.00% |
Average of probability of commercialization (percent) |  | 73.00% | 81.00% |
Sales beta (decimal) |  | 0.40 | 0.60 |
Credit rating (non-numeric) |  | BB | B |
Equity risk premium (percent) |  | 6.00% | 6.00% |
CyDex | Minimum | Contingent Consideration |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Range of annual revenue subject to revenue sharing | [1] |  | $ 17,200 |
CyDex | Maximum | Contingent Consideration |  |  |  |
Credit Derivatives [Line Items] |  |  |  |
Range of annual revenue subject to revenue sharing | [1] |  | $ 17,300 |
[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 (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&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=66048111&loc=d3e19207-110258 + Details
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