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USD ($)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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12/31/2009
USD ($)
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 -Publisher AICPA
 -Name Statement of Position (SOP)
 -Number 96-1
 -Paragraph 161
 -Subparagraph a

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 5
 -Paragraph 9

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