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Feb 07, 2013 10-Q Quarterly report htmlhtml   pdfpdf   xbrlxbrl  
Nov 14, 2012 10-Q Quarterly report htmlhtml   pdfpdf   xbrlxbrl  
Aug 14, 2012 10-Q Quarterly report htmlhtml   pdfpdf   xbrlxbrl  
Feb 14, 2012 10-Q Quarterly report htmlhtml   pdfpdf   xbrlxbrl  
Nov 21, 2011 10-Q Quarterly report htmlhtml   pdfpdf   xbrlxbrl  
Aug 09, 2011 10-Q Quarterly report htmlhtml   pdfpdf   xbrlxbrl  
Feb 18, 2011 10-Q Quarterly report htmlhtml   pdfpdf  
Nov 18, 2010 10-Q Quarterly report htmlhtml   pdfpdf  
Aug 16, 2010 10-Q Quarterly report htmlhtml   pdfpdf  
Feb 16, 2010 10-Q Quarterly report htmlhtml   pdfpdf