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USD ($)
USD ($) / shares
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USD ($)
USD ($) / shares
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USD ($)
USD ($) / shares
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 1
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-Publisher AICPA
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-Number AAG-BRD
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-Name Regulation S-X (SX)
-Number 210
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28
Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Principles Board Opinion (APB)
-Number 12
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-Name Statement of Financial Accounting Standard (FAS)
-Number 34
-Paragraph 21
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph e(1)
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-Name Statement of Financial Accounting Standard (FAS)
-Number 142
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-Publisher AICPA
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-Number 93-7
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1/31/2011
USD ($)
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 3
-Subparagraph a(1)
-Article 5
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 4
-Article 5
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
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2/1/2010 - 1/31/2011
USD ($)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
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