Filing Date Form TypeSort Arrow Description View
May 10, 2012 10-Q Quarterly report htmlhtml   xbrlxbrl  
Nov 21, 2011 10-Q Quarterly report htmlhtml   xbrlxbrl  
Aug 11, 2011 10-Q Quarterly report htmlhtml   xbrlxbrl  
May 16, 2011 10-Q Quarterly report htmlhtml   xbrlxbrl  
Nov 12, 2010 10-Q Quarterly report htmlhtml   xbrlxbrl  
Aug 13, 2010 10-Q Quarterly report htmlhtml   xbrlxbrl  
May 14, 2010 10-Q Quarterly report htmlhtml   xbrlxbrl  
Nov 13, 2009 10-Q Quarterly report htmlhtml   xbrlxbrl  
Aug 14, 2009 10-Q Quarterly report htmlhtml   xbrlxbrl  
May 15, 2009 10-Q Quarterly report texttxt   xbrlxbrl