Filing Description Date Filed Sorted Descending Size View  
10-K annual report Mar 15, 2013 584.1 KB View HTML View PDF View XLS View XBRL  
8-K current report Nov 16, 2012 579.7 KB View HTML View PDF View XLS  
10-Q quarterly report Nov 15, 2012 245.3 KB View HTML View PDF View XLS View XBRL  
10-Q quarterly report Aug 10, 2012 257.6 KB View HTML View PDF View XLS View XBRL  
8-K current report Jun 29, 2012 29.4 KB View HTML View PDF View XLS  
10-Q quarterly report May 7, 2012 290.8 KB View HTML View PDF View XLS View XBRL  
DEFA14A definitive additional proxy materials Apr 27, 2012 55.6 KB View HTML View PDF View XLS  
DEF 14A definitive proxy statement Apr 19, 2012 193.2 KB View HTML View PDF View XLS  
10-K annual report Mar 30, 2012 671.1 KB View HTML View PDF View XLS View XBRL  
8-K current report Mar 29, 2012 20.8 KB View HTML View PDF View XLS  
8-K current report Mar 15, 2012 244.9 KB View HTML View PDF View XLS  
SC 13D/A amended general statement of beneficial ownership Feb 23, 2012 165.6 KB View HTML View PDF View XLS  
8-K current report Feb 22, 2012 144.2 KB View HTML View PDF View XLS  
10-Q quarterly report Nov 2, 2011 270.8 KB View HTML View PDF View XLS View XBRL  
8-K current report Oct 24, 2011 70.3 KB View HTML View PDF View XLS  
RW request for withdrawal Sep 28, 2011 15.7 KB View HTML View PDF  
10-Q quarterly report Aug 8, 2011 245.6 KB View HTML View PDF View XLS View XBRL  
8-K current report Jul 15, 2011 21.7 KB View HTML View PDF View XLS  
10-Q quarterly report May 11, 2011 206.0 KB View HTML View PDF View XLS  
DEF 14A definitive proxy statement May 2, 2011 252.2 KB View HTML View PDF View XLS  
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