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USD ($)

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USD ($)

USD ($) / shares
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 -Name Regulation S-X (SX)
 -Number 210
 -Section 03
 -Paragraph 1
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 -Publisher SEC
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 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 03
 -Paragraph 2
 -Article 5

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 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 03
 -Paragraph 2
 -Article 5

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 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 03
 -Paragraph 2
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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 -Name Statement of Financial Accounting Standard (FAS)
 -Number 130
 -Paragraph 10, 15

Reference 7: http://www.xbrl.org/2003/role/presentationRef
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 -Number 87-21

Reference 8: http://www.xbrl.org/2003/role/presentationRef
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