Subsequent Events (Details) (EUR €) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2012
Shareholder loans due June 30, 2012 [Member]
Subsequent Event [Line Items]
Number of shareholders	6
Principal amount of shareholder loan under negotiation for an extension	€ 2,885
Maturity Date	Jun. 30, 2012
Shareholder loans due July 31, 2012 [Member]
Subsequent Event [Line Items]
Number of shareholders	2
Principal amount of shareholder loan under negotiation for an extension	€ 600
Maturity Date	Jul. 31, 2012

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration