Risks and Uncertainties (Details) (Euro, Foreign currency exchange risk)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Apr. 30, 2014
Euro \| Foreign currency exchange risk
Risks and uncertainties
Foreign currency exchange rate, spot	1.07		1.39
Foreign currency exchange rate, average	1.13	1.37

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant