Date Form Description PDF XBRL Pages
02/10/12 Statement of changes in beneficial ownership of securities
PDF
 		1
02/10/12 Statement of changes in beneficial ownership of securities
PDF
 		1
02/10/12 Statement of changes in beneficial ownership of securities
PDF
 		1
02/10/12 Statement of changes in beneficial ownership of securities
PDF
 		1
02/10/12 Statement of changes in beneficial ownership of securities
PDF
 		1
02/10/12 Statement of changes in beneficial ownership of securities
PDF
 		1
02/10/12 Statement of changes in beneficial ownership of securities
PDF
 		1
02/09/12 Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions
PDF
 		4
02/09/12 Statement of changes in beneficial ownership of securities
PDF
 		1
02/09/12 Statement of changes in beneficial ownership of securities
PDF
 		1
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