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 -Name Regulation S-X (SX)
 -Number 210
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 -Paragraph 22
 -Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Staff Accounting Bulletin (SAB)
 -Number Topic 6
 -Section H

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 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 107
 -Paragraph 10

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Staff Accounting Bulletin (SAB)
 -Number Topic 6
 -Section H

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3/31/2011
USD ($)
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12/31/2010
USD ($)
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 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 02
 -Paragraph 22
 -Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Staff Accounting Bulletin (SAB)
 -Number Topic 6
 -Section H

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3/31/2011
USD ($)

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12/31/2010
USD ($)
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 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 02
 -Paragraph 22
 -Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Staff Accounting Bulletin (SAB)
 -Number Topic 6
 -Section H

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3/31/2011
USD ($)

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12/31/2010
USD ($)
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 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 02
 -Paragraph 22
 -Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Staff Accounting Bulletin (SAB)
 -Number Topic 6
 -Section H

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