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1/1/2008 - 12/31/2008
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1/1/2009 - 12/31/2009
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1/1/2008 - 12/31/2008
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1/1/2009 - 12/31/2009
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1/1/2010 - 12/31/2010
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1/1/2009 - 12/31/2009
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1/1/2008 - 12/31/2008
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1/1/2010 - 12/31/2010
USD ($)
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1/1/2009 - 12/31/2009
USD ($)
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1/1/2008 - 12/31/2008
USD ($)
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1/1/2010 - 12/31/2010
USD ($)
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1/1/2009 - 12/31/2009
USD ($)
$Duration_1_1_2009_To_12_31_200988http://www.sec.gov/CIK0000034088duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseGermany [Member]us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxisxbrldihttp://xbrl.org/2006/xbrldixom_GermanyMemberus-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$24falsefalseUSDtruefalse{us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis} : Germany [Member]
1/1/2008 - 12/31/2008
USD ($)
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-Number 131
-Paragraph 38
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-Publisher FASB
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-Number 131
-Paragraph 38
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-Paragraph 38
-Subparagraph a
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