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Filing Description Date Filed Size Sorted Ascending View  
424B2 prospectus filed pursuant to rule 424 Jul 28, 2008 499.6 KB View HTML View PDF View XLS  
S-3/A registration statement Aug 13, 2004 647.1 KB View HTML View PDF View XLS  
PRE 14A preliminary proxy statement Nov 22, 2002 867.0 KB View HTML View PDF  
10-K405 annual report Mar 30, 2000 610.0 KB View HTML View PDF View XLS  
8-K current report Aug 2, 2011 326.4 KB View HTML View PDF View XLS  
S-3/A registration statement Oct 30, 1997 610.7 KB View HTML View PDF View XLS  
S-3/A registration statement Nov 20, 1997 616.0 KB View HTML View PDF View XLS  
8-K current report Nov 1, 2011 331.2 KB View HTML View PDF View XLS  
8-K current report Aug 4, 2010 327.1 KB View HTML View PDF View XLS  
10-Q quarterly report Aug 9, 2007 477.1 KB View HTML View PDF View XLS  
8-K current report Feb 9, 2012 328.7 KB View HTML View PDF View XLS  
PRER14A preliminary proxy statement Jan 28, 2003 626.9 KB View HTML View PDF  
8-K current report Mar 19, 2010 749.7 KB View HTML View PDF View XLS  
DEF 14A definitive proxy statement Jan 31, 2003 626.2 KB View HTML View PDF  
PRER14A preliminary proxy statement Jan 13, 2003 4.3 MB 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  
10-Q quarterly report Nov 8, 2006 473.9 KB View HTML View PDF View XLS  
8-K current report Aug 14, 2012 711.3 KB View HTML View PDF View XLS  
10-K annual report Mar 28, 2003 656.5 KB View HTML View PDF View XLS  
S-4/A registration statement Oct 13, 1999 655.9 KB View HTML View PDF View XLS  
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