Fair Value Measurements (Acquisition of CyDex) (Details) - Cydex Pharmaceuticals, Inc - Contingent Consideration Classified as Equity	3 Months Ended	12 Months Ended
Mar. 31, 2017	Dec. 31, 2016
Credit Derivatives [Line Items]
Revenue volatility	25.00%	25.00%
Average probability of commercialization	12.50%	12.50%
Market price of risk	0.03	0.03
Credit rating	BB	BB
Equity risk premium	6.00%	6.00%

Average Probability of Commercialization

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- Definition

Fair Value Inputs, Credit Rating

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- Definition

Fair Value Inputs, Sales Beta

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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

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Percentage above fair value that an investor seeking to acquire control of an entity will pay, used as an input to measure fair value.

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