Filing Date Form Type Description View
Feb 12, 2002 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) texttxt  
Feb 09, 2009 SC 13G Statement of acquisition of beneficial ownership by individuals htmlhtml   pdfpdf  
Feb 02, 2001 SC 13G Statement of acquisition of beneficial ownership by individuals texttxt  
Jul 16, 2012 SC 13D/A General statement of acquisition of beneficial ownership (Amendment) htmlhtml   pdfpdf  
Dec 23, 2011 SC 13D/A General statement of acquisition of beneficial ownership (Amendment) htmlhtml   pdfpdf