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USD ($)

USD ($) / shares

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 -Name Regulation S-X (SX)
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 -Paragraph 11
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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 -Name Statement of Financial Accounting Standard (FAS)
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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 -Name Accounting Principles Board Opinion (APB)
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 -Subparagraph 1(i)
 -Article 4

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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 32
 -Subparagraph a

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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 27

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 -Name Statement of Financial Accounting Standard (FAS)
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