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The Company (Details) $ in Thousands		1 Months Ended
	Aug. 04, 2014	Aug. 31, 2014 state	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
The Company
Minimum age of ambulatory patient	5 years	5 years
Number of member states of the European Economic Area | state		31
Accumulated deficit			$ (498,827)	$ (422,551)

X

- Definition

Represents the minimum age of ambulatory patient.

+ References

No definition available.

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X

- Definition

Represents the number of states in European economic area.

+ References

No definition available.

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- References

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X

- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

+ 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 210.5-02.31(a)(3))



-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 31



-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 04



-Article 3

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