Business combination common stock exchange ratio.

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- Definition

Significant accounting policies.

+ References

No definition available.

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- Definition

Face amount or stated value per share of common stock.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

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- Definition

Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

+ References

No definition available.

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (b)

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 4

-Subparagraph (SAB TOPIC 4.C)

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-Name Accounting Standards Codification

-Glossary Stock Split

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- Definition

Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 4

-Subparagraph (SAB TOPIC 4.C)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 4

-Section C

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Summary of Significant Accounting Policies - Additional Information (Detail) $ / shares in Units, $ in Millions			9 Months Ended
	May. 04, 2015	Jul. 28, 2014	Sep. 30, 2015 USD ($) $ / shares	Dec. 31, 2014 $ / shares
Significant Accounting Policies [Line Items]
Common stock, par value			$ 0.001	$ 0.0001
Impairment to goodwill \| $			$ 5.1
In Process Research and Development [Member]
Significant Accounting Policies [Line Items]
Impairment of intangible assets \| $			$ 12.2
Tobira Therapeutics Inc [Member]
Significant Accounting Policies [Line Items]
Reverse stock split			one for 26.4065866
Reverse stock split ratio		0.0378693
Regado [Member]
Significant Accounting Policies [Line Items]
Reverse stock split			one for nine
Reverse stock split ratio	0.1111
Common stock, par value			$ 0.001
Debt conversion, converted instrument, shares issued			1.4302