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12/31/2010
USD ($)
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12/31/2010
USD ($)
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12/31/2009
USD ($)
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12/31/2010
USD ($)
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12/31/2010
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12/31/2009
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12/31/2010
USD ($)
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USD ($)

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12/31/2009
USD ($)

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 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 02
 -Paragraph 19, 22
 -Article 5

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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 47
 -Paragraph 10
 -Subparagraph b

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 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 47
 -Paragraph 10
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 -Number 47
 -Paragraph 10
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