Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 20

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Section 45

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Variable Interest Entity, Consolidated, Carrying Amount, In-Process Research and Development Intangible Asset

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Intangible Assets and Goodwill (Details) (USD $)	3 Months Ended		1 Months Ended
Intangible Assets and Goodwill (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Oct. 31, 2014	Dec. 31, 2014
Indefinite-Lived Intangible Assets [Line Items]
Goodwill	$ 39,915,000us-gaap_Goodwill			$ 39,915,000us-gaap_Goodwill
Goodwill, period increase (decrease)	0us-gaap_GoodwillPeriodIncreaseDecrease	0us-gaap_GoodwillPeriodIncreaseDecrease
Variable Interest Entity, Primary Beneficiary \| BioAxone Biosciences Inc
Indefinite-Lived Intangible Assets [Line Items]
In-process research and development intangible asset				$ 29,000,000
Indefinite-lived Intangible Assets \| Variable Interest Entity, Primary Beneficiary \| BioAxone Biosciences Inc
Indefinite-Lived Intangible Assets [Line Items]
Fair value inputs, discount rate (percent)			7.50%