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Filing Description Date Filed Size Sorted Descending View  
10-Q quarterly report Aug 14, 2000 721.7 KB View HTML View PDF View XLS  
S-3/A registration statement Nov 20, 1997 720.4 KB View HTML View PDF View XLS  
SC 13E4 issuer tender offer statement Oct 16, 1997 737.9 KB View HTML View PDF View XLS  
10-K405/A amended annual report May 14, 1997 689.1 KB View HTML View PDF View XLS  
424B3 prospectus filed pursuant to rule 424 Dec 7, 2005 692.3 KB View HTML View PDF View XLS  
10-Q/A amended quarterly report Nov 18, 1998 734.7 KB View HTML View PDF View XLS  
8-K current report Feb 25, 2010 386.0 KB View HTML View PDF View XLS  
DEF 14A definitive proxy statement Apr 11, 2012 442.4 KB View HTML View PDF View XLS  
8-K current report Feb 15, 2011 413.3 KB View HTML View PDF View XLS  
DEF 14A definitive proxy statement Apr 23, 2007 406.4 KB View HTML View PDF View XLS  
10-K annual report Mar 12, 2004 1.1 MB View HTML View PDF View XLS  
SC 13E4/A amended issuer tender offer statement Dec 9, 1997 705.8 KB View HTML View PDF View XLS  
8-K current report Nov 5, 2009 365.4 KB View HTML View PDF View XLS  
8-K current report Nov 4, 2010 342.5 KB View HTML View PDF View XLS  
8-K current report Aug 6, 2009 366.5 KB View HTML View PDF View XLS  
S-4/A registration statement Oct 13, 1999 655.9 KB View HTML View PDF View XLS  
10-K annual report Mar 28, 2003 656.5 KB View HTML View PDF View XLS  
8-K current report Aug 14, 2012 711.3 KB View HTML View PDF View XLS  
10-Q quarterly report Nov 8, 2006 473.9 KB View HTML View PDF View XLS  
S-3ASR automatic shelf registration statement of securities of well-known seasoned issuers Mar 20, 2009 518.2 KB View HTML View PDF View XLS  
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