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May 17, 2013 10-Q Quarterly report htmlhtml   pdfpdf   xbrlxbrl  
Nov 14, 2012 10-Q Quarterly report htmlhtml   pdfpdf   xbrlxbrl  
Aug 20, 2012 10-Q Quarterly report htmlhtml   pdfpdf  
May 16, 2012 10-Q Quarterly report htmlhtml   pdfpdf   xbrlxbrl  
Nov 14, 2011 10-Q Quarterly report htmlhtml   pdfpdf   xbrlxbrl  
Aug 22, 2011 10-Q Quarterly report htmlhtml   pdfpdf  
May 16, 2011 10-Q Quarterly report htmlhtml   pdfpdf  
Nov 15, 2010 10-Q Quarterly report htmlhtml   pdfpdf