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USD ($) / shares
USD ($)
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USD ($) / shares
USD ($)
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4/1/2009 - 6/30/2009
USD ($) / shares
USD ($)
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1/1/2009 - 3/31/2009
USD ($) / shares
USD ($)
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10/1/2010 - 12/31/2010
USD ($) / shares
USD ($)
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10/1/2009 - 12/31/2009
USD ($)
USD ($) / shares
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1/1/2010 - 12/31/2010
USD ($)
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1/1/2010 - 3/31/2010
USD ($) / shares
USD ($)
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12/31/2010
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Principles Board Opinion (APB)
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-Paragraph 20
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