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            | DEFA14A | 
            
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            | 4 | 
            
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            | 144 | 
            
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            | 4 | 
            
              Open Document
              
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            | 4 | 
            
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            | 144 | 
            
              Open Document
              
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            | 4 | 
            
              Open Document
              
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            | 4 | 
            
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            | 144 | 
            
              Open Document
              
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            | 5 | 
            
              Open Document
              
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              Open Document
              
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              Open Document
              
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              Open Document
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            | DEF 14A | 
            
              Open Document
              
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            | 4 | 
            
              Open Document
              
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            | 4 | 
            
              Open Document
              
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            | 4/A | 
            
              Open Document
              
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
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            | 4 | 
            
              Open Document
              
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            | 10-Q | 
            
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            | 10-Q | 
            
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            | NT 10-Q | 
            
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            | 8-K | 
            
              Open Document
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            | 4 | 
            
              Open Document
              
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            | 4 | 
            
              Open Document
              
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              Open Document
              
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            | 10-Q | 
            
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            | S-8 | 
            
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            | DEFA14A | 
            
              Open Document
              
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            | 4 | 
            
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            | 4 | 
            
              Open Document
              
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Nov 16, 2020 | 
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            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Sep 25, 2020 | 
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            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Jul 27, 2020 | 
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            001-04978 | 
          
          
            | 8-K/A | 
            
              Open Document
              
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            Open Filing | 
            AMENDED CURRENT REPORT | 
            Jul 10, 2020 | 
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            001-04978 | 
          
          
            | NT 10-K | 
            
              Open Document
              
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            Open Filing | 
            NOTIFICATION OF LATE FILING | 
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            Feb 29, 2020 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
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            001-04978 | 
          
          
            | SC 13G/A | 
            
              Open Document
              
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            Open Filing | 
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            May 7, 2020 | 
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            | 8-K | 
            
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            CURRENT REPORT | 
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            | SC 13G | 
            
              Open Document
              
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            Open Filing | 
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            | SC 13G | 
            
              Open Document
              
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            | 4 | 
            
              Open Document
              
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            | 4 | 
            
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
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            | 8-K | 
            
              Open Document
              
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            CURRENT REPORT | 
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            | 4/A | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
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            | 4 | 
            
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            FORM 4 | 
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            | 4 | 
            
              Open Document
              
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            PRIMARY DOCUMENT | 
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            | 4 | 
            
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            FORM 4 | 
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            | 4 | 
            
              Open Document
              
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            FORM 4 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Oct 25, 2019 | 
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            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
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            | 8-K/A | 
            
              Open Document
              
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            Open Filing | 
            AMENDED CURRENT REPORT | 
            Oct 11, 2019 | 
            Oct 2, 2019 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Oct 7, 2019 | 
            Oct 2, 2019 | 
            001-04978 | 
          
          
            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            FORM 4 | 
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            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Jul 26, 2019 | 
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            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Jul 3, 2019 | 
            Jun 28, 2019 | 
            001-04978 | 
          
          
            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Jul 2, 2019 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Jul 2, 2019 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Jul 2, 2019 | 
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            | SC 13D/A | 
            
              Open Document
              
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            Open Filing | 
            SC 13D/A | 
            May 21, 2019 | 
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            005-08686 | 
          
          
            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            May 20, 2019 | 
            May 17, 2019 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            May 20, 2019 | 
            May 16, 2019 | 
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            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            May 10, 2019 | 
            May 10, 2019 | 
            001-04978 | 
          
          
            | 5 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Apr 11, 2019 | 
            Feb 28, 2019 | 
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            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Feb 15, 2019 | 
            Jan 31, 2019 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Feb 1, 2019 | 
            Jan 31, 2019 | 
            001-04978 | 
          
          
            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Jan 24, 2019 | 
            Jan 7, 2019 | 
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            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Jan 22, 2019 | 
            Jan 22, 2019 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Jan 17, 2019 | 
            Jan 11, 2019 | 
            001-04978 | 
          
          
            | SC 13D/A | 
            
              Open Document
              
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            Open Filing | 
            SC 13D/A | 
            Jan 4, 2019 | 
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            005-08686 | 
          
          
            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Jan 3, 2019 | 
            Dec 28, 2018 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
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            | SC 13D/A | 
            
              Open Document
              
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            Open Filing | 
            SC 13D/A | 
            Dec 6, 2018 | 
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            005-08686 | 
          
          
            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Dec 6, 2018 | 
            Dec 3, 2018 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Nov 20, 2018 | 
            Nov 14, 2018 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Nov 8, 2018 | 
            Nov 6, 2018 | 
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            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Nov 2, 2018 | 
            Nov 2, 2018 | 
            001-04978 | 
          
          
            | 4 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Oct 31, 2018 | 
            Oct 29, 2018 | 
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            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Oct 15, 2018 | 
            Oct 12, 2018 | 
            001-04978 | 
          
          
            | SC 13D/A | 
            
              Open Document
              
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            Open Filing | 
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            Oct 12, 2018 | 
             | 
            005-08686 | 
          
          
            | 3 | 
            
              Open Document
              
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            Open Filing | 
            PRIMARY DOCUMENT | 
            Oct 11, 2018 | 
            Oct 1, 2018 | 
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            | SC 13D/A | 
            
              Open Document
              
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            Open Filing | 
            SC 13D/A | 
            Sep 25, 2018 | 
             | 
            005-08686 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Aug 2, 2018 | 
            Aug 2, 2018 | 
            001-04978 | 
          
          
            | SD | 
            
              Open Document
              
             | 
            Open Filing | 
            FORM SD | 
            Jun 15, 2018 | 
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            001-04978 | 
          
          
            | SC 13D | 
            
              Open Document
              
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            Open Filing | 
            FORM SC 13D | 
            May 21, 2018 | 
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            005-08686 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Apr 17, 2018 | 
            Apr 12, 2018 | 
            001-04978 | 
          
          
            | 8-K/A | 
            
              Open Document
              
             | 
            Open Filing | 
            AMENDMENT TO CURRENT REPORT | 
            Mar 8, 2018 | 
            Feb 21, 2018 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Mar 5, 2018 | 
            Feb 27, 2018 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            FORM 8-K | 
            Feb 27, 2018 | 
            Feb 21, 2018 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Oct 4, 2017 | 
            Sep 29, 2017 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Jul 21, 2017 | 
            Jul 14, 2017 | 
            001-04978 | 
          
          
            | SD | 
            
              Open Document
              
             | 
            Open Filing | 
            SPECIALIZED DISCLOSURE REPORT | 
            Jun 14, 2017 | 
             | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
             | 
            Open Filing | 
            CURRENT REPORT | 
            Jun 1, 2017 | 
            May 31, 2017 | 
            001-04978 | 
          
          
            | NT 10-K | 
            
              Open Document
              
             | 
            Open Filing | 
            NOTIFICATION OF LATE FILING | 
            May 31, 2017 | 
            Feb 28, 2017 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            May 18, 2017 | 
            May 12, 2017 | 
            001-04978 | 
          
          
            | 4 | 
            
              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Apr 12, 2017 | 
            Apr 10, 2017 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Apr 10, 2017 | 
            Apr 7, 2017 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Apr 4, 2017 | 
            Apr 3, 2017 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Mar 31, 2017 | 
            Mar 30, 2017 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Feb 14, 2017 | 
            Feb 13, 2017 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Jan 30, 2017 | 
            Jan 26, 2017 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Jan 23, 2017 | 
            Jan 19, 2017 | 
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            | 10-Q | 
            
              Open Document
              | Data
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            Open Filing | 
            QUARTERLY REPORT | 
            Jan 17, 2017 | 
            Nov 30, 2016 | 
            001-04978 | 
          
          
            | 10-Q | 
            
              Open Document
              | Data
             | 
            Open Filing | 
            QUARTERLY REPORT | 
            Nov 18, 2016 | 
            Aug 31, 2016 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
             | 
            Open Filing | 
            CURRENT REPORT | 
            Oct 24, 2016 | 
            Oct 24, 2016 | 
            001-04978 | 
          
          
            | NT 10-Q | 
            
              Open Document
              
             | 
            Open Filing | 
            NOTIFICATION OF LATE FILING | 
            Oct 17, 2016 | 
            Aug 31, 2016 | 
            001-04978 | 
          
          
            | CT ORDER | 
            
              Open Document
              
             | 
            Open Filing | 
             | 
            Sep 15, 2016 | 
             | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Aug 31, 2016 | 
            Aug 25, 2016 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Aug 22, 2016 | 
            Aug 16, 2016 | 
            001-04978 | 
          
          
            | SC 13D/A | 
            
              Open Document
              
             | 
            Open Filing | 
            AMENDMENT NO. 7 TO SCHEDULE 13D | 
            Aug 22, 2016 | 
             | 
            005-08686 | 
          
          
            | 4 | 
            
              Open Document
              
             | 
            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Aug 16, 2016 | 
            Aug 12, 2016 | 
             | 
          
          
            | 4 | 
            
              Open Document
              
             | 
            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Aug 11, 2016 | 
            Aug 9, 2016 | 
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            | SC 13D/A | 
            
              Open Document
              
             | 
            Open Filing | 
             | 
            Aug 9, 2016 | 
             | 
            005-08686 | 
          
          
            | DEF 14A | 
            
              Open Document
              
             | 
            Open Filing | 
            DEFINITIVE PROXY STATEMENT | 
            Aug 5, 2016 | 
            Aug 26, 2016 | 
            001-04978 | 
          
          
            | 4 | 
            
              Open Document
              
             | 
            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Aug 3, 2016 | 
            Aug 1, 2016 | 
             | 
          
          
            | 3 | 
            
              Open Document
              
             | 
            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Aug 1, 2016 | 
            Jul 22, 2016 | 
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            | 3 | 
            
              Open Document
              
             | 
            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Aug 1, 2016 | 
            Jul 22, 2016 | 
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            | 4 | 
            
              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Jul 29, 2016 | 
            Oct 22, 2012 | 
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            | 8-K | 
            
              Open Document
              
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            Open Filing | 
            CURRENT REPORT | 
            Jul 27, 2016 | 
            Jul 22, 2016 | 
            001-04978 | 
          
          
            | 10-Q | 
            
              Open Document
              | Data
             | 
            Open Filing | 
            QUARTERLY REPORT | 
            Jul 20, 2016 | 
            May 31, 2016 | 
            001-04978 | 
          
          
            | NT 10-Q | 
            
              Open Document
              
             | 
            Open Filing | 
            NOTIFICATION OF LATE FILING | 
            Jul 15, 2016 | 
            May 31, 2016 | 
            001-04978 | 
          
          
            | 10-K/A | 
            
              Open Document
              
             | 
            Open Filing | 
            AMENDMENT NO. 1 TO ANNUAL REPORT | 
            Jun 28, 2016 | 
            Feb 29, 2016 | 
            001-04978 | 
          
          
            | SC 13D | 
            
              Open Document
              
             | 
            Open Filing | 
            FORM SC 13D | 
            Jun 16, 2016 | 
             | 
            005-08686 | 
          
          
            | 10-K | 
            
              Open Document
              | Data
             | 
            Open Filing | 
            ANNUAL REPORT | 
            Jun 15, 2016 | 
            Feb 29, 2016 | 
            001-04978 | 
          
          
            | NT 10-K | 
            
              Open Document
              
             | 
            Open Filing | 
            NOTIFICATION OF LATE FILING | 
            Jun 1, 2016 | 
            Feb 29, 2016 | 
            001-04978 | 
          
          
            | SD | 
            
              Open Document
              
             | 
            Open Filing | 
            SPECIALIZED DISCLOSURE REPORT | 
            May 31, 2016 | 
             | 
            001-04978 | 
          
          
            | SC 13D | 
            
              Open Document
              
             | 
            Open Filing | 
            FORM SC 13D | 
            Jan 22, 2016 | 
             | 
            005-08686 | 
          
          
            | 8-K | 
            
              Open Document
              
             | 
            Open Filing | 
            CURRENT REPORT | 
            Jan 20, 2016 | 
            Jan 15, 2016 | 
            001-04978 | 
          
          
            | 10-Q | 
            
              Open Document
              | Data
             | 
            Open Filing | 
            QUARTERLY REPORT | 
            Jan 14, 2016 | 
            Nov 30, 2015 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
             | 
            Open Filing | 
            CURRENT REPORT | 
            Nov 24, 2015 | 
            Nov 20, 2015 | 
            001-04978 | 
          
          
            | 10-Q | 
            
              Open Document
              | Data
             | 
            Open Filing | 
            QUARTERLY REPORT | 
            Oct 15, 2015 | 
            Aug 31, 2015 | 
            001-04978 | 
          
          
            | 3 | 
            
              Open Document
              
             | 
            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Aug 13, 2015 | 
            Aug 5, 2015 | 
             | 
          
          
            | 3 | 
            
              Open Document
              
             | 
            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Aug 13, 2015 | 
            Aug 5, 2015 | 
             | 
          
          
            | SC 13D/A | 
            
              Open Document
              
             | 
            Open Filing | 
            SC 13D/A | 
            Aug 10, 2015 | 
             | 
            005-08686 | 
          
          
            | 8-K | 
            
              Open Document
              
             | 
            Open Filing | 
            CURRENT REPORT | 
            Aug 6, 2015 | 
            Aug 4, 2015 | 
            001-04978 | 
          
          
            | 8-K | 
            
              Open Document
              
             | 
            Open Filing | 
            CURRENT REPORT | 
            Jul 29, 2015 | 
            Jul 28, 2015 | 
            001-04978 | 
          
          
            | DEFA14A | 
            
              Open Document
              
             | 
            Open Filing | 
             | 
            Jul 28, 2015 | 
             | 
            001-04978 | 
          
          
            | DEFA14A | 
            
              Open Document
              
             | 
            Open Filing | 
             | 
            Jul 27, 2015 | 
             | 
            001-04978 | 
          
          
            | SC 13D | 
            
              Open Document
              
             | 
            Open Filing | 
             | 
            Jul 23, 2015 | 
             | 
            005-08686 | 
          
          
            | DFAN14A | 
            
              Open Document
              
             | 
            Open Filing | 
            DFAN14A | 
            Jul 23, 2015 | 
             | 
            001-04978 | 
          
          
            | DEFA14A | 
            
              Open Document
              
             | 
            Open Filing | 
            DEFA 14A | 
            Jul 22, 2015 | 
             | 
            001-04978 | 
          
          
            | DEFA14A | 
            
              Open Document
              
             | 
            Open Filing | 
            DEFA 14A | 
            Jul 21, 2015 | 
             | 
            001-04978 | 
          
          
            | DEFA14A | 
            
              Open Document
              
             | 
            Open Filing | 
            DEFA 14A | 
            Jul 20, 2015 | 
             | 
            001-04978 | 
          
          
            | DFAN14A | 
            
              Open Document
              
             | 
            Open Filing | 
            DFAN14A | 
            Jul 17, 2015 | 
             | 
            001-04978 | 
          
          
            | SC 13D/A | 
            
              Open Document
              
             | 
            Open Filing | 
            SODI | 
            Jul 16, 2015 | 
             | 
            005-08686 | 
          
          
            | 10-Q | 
            
              Open Document
              | Data
             | 
            Open Filing | 
            QUARTERLY REPORT | 
            Jul 15, 2015 | 
            May 31, 2015 | 
            001-04978 | 
          
          
            | SC 13D/A | 
            
              Open Document
              
             | 
            Open Filing | 
             | 
            Jul 14, 2015 | 
             | 
            005-08686 | 
          
          
            | DEFA14A | 
            
              Open Document
              
             | 
            Open Filing | 
            DEFA 14A | 
            Jul 9, 2015 | 
             | 
            001-04978 | 
          
          
            | SC 13D/A | 
            
              Open Document
              
             | 
            Open Filing | 
            SC 13D/A | 
            Jul 6, 2015 | 
             | 
            005-08686 | 
          
          
            | DFAN14A | 
            
              Open Document
              
             | 
            Open Filing | 
            DFAN14A | 
            Jul 2, 2015 | 
             | 
            001-04978 | 
          
          
            | DEFA14A | 
            
              Open Document
              
             | 
            Open Filing | 
            DEFA 14A | 
            Jul 1, 2015 | 
             | 
            001-04978 | 
          
          
            | DEFC14A | 
            
              Open Document
              
             | 
            Open Filing | 
            DEFC14A | 
            Jun 30, 2015 | 
             | 
            001-04978 | 
          
          
            | DEFC14A | 
            
              Open Document
              
             | 
            Open Filing | 
            CONTESTED SOLICITATIONS | 
            Jun 29, 2015 | 
             | 
            001-04978 | 
          
          
            | PRER14A | 
            
              Open Document
              
             | 
            Open Filing | 
            REVISED PRELIMINARY PROXY STATEMENT | 
            Jun 26, 2015 | 
             | 
            001-04978 | 
          
          
            | PRE 14A | 
            
              Open Document
              
             | 
            Open Filing | 
            PRELIMINARY PROXY STATEMENT | 
            Jun 19, 2015 | 
            Aug 4, 2015 | 
            001-04978 | 
          
          
            | 4 | 
            
              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Jun 19, 2015 | 
            Jun 18, 2015 | 
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            | DEFA14A | 
            
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            Open Filing | 
            SOLICITING MATERIAL | 
            Jun 8, 2015 | 
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            001-04978 | 
          
          
            | DFAN14A | 
            
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            DFAN14A | 
            Jun 8, 2015 | 
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            001-04978 | 
          
          
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            Open Filing | 
            PRRN14A | 
            Jun 5, 2015 | 
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            001-04978 | 
          
          
            | SD | 
            
              Open Document
              
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            Open Filing | 
            SPECIALIZED DISCLOSURE REPORT | 
            Jun 1, 2015 | 
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            001-04978 | 
          
          
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            CURRENT REPORT | 
            May 29, 2015 | 
            May 29, 2015 | 
            001-04978 | 
          
          
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            ANNUAL REPORT | 
            May 29, 2015 | 
            Feb 28, 2015 | 
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            FORM PREC14A | 
            May 21, 2015 | 
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            001-04978 | 
          
          
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            333-203311 | 
          
          
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            Jan 23, 2015 | 
            Jan 12, 2015 | 
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              Open Document
              
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            Open Filing | 
            SC 13D/A | 
            Jan 22, 2015 | 
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            005-08686 | 
          
          
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            Jan 20, 2015 | 
            Nov 30, 2014 | 
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            Jan 16, 2015 | 
            Jan 12, 2015 | 
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            | 3 | 
            
              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Jan 16, 2015 | 
            Jan 12, 2015 | 
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            | NT 10-Q | 
            
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            Open Filing | 
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            Jan 15, 2015 | 
            Nov 30, 2014 | 
            001-04978 | 
          
          
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            Jan 12, 2015 | 
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            Jan 9, 2015 | 
            Aug 31, 2014 | 
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            Jan 9, 2015 | 
            Jan 9, 2015 | 
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            | SC 13D | 
            
              Open Document
              
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            Open Filing | 
            SC 13D | 
            Nov 26, 2014 | 
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            005-08686 | 
          
          
            | SC 13D | 
            
              Open Document
              
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            Open Filing | 
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            Nov 19, 2014 | 
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            005-08686 | 
          
          
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            Oct 8, 2014 | 
            Oct 6, 2014 | 
            001-04978 | 
          
          
            | SC 13D | 
            
              Open Document
              
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            Open Filing | 
            SC 13D | 
            Aug 7, 2014 | 
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            005-08686 | 
          
          
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            Jul 3, 2014 | 
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            | SC 13D/A | 
            
              Open Document
              
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            Open Filing | 
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            Jun 20, 2014 | 
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            005-08686 | 
          
          
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            Jun 19, 2014 | 
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            005-08686 | 
          
          
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            Jun 9, 2014 | 
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            Jun 6, 2014 | 
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              Open Document
              
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            Open Filing | 
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            Jun 6, 2014 | 
            May 13, 2013 | 
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              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Jun 6, 2014 | 
            May 13, 2013 | 
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            | 3 | 
            
              Open Document
              
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            Open Filing | 
            OWNERSHIP DOCUMENT | 
            Jun 6, 2014 | 
            Feb 25, 2014 | 
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            | SD | 
            
              Open Document
              
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            SPECIALIZED DISCLOSURE REPORT | 
            May 30, 2014 | 
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            001-04978 | 
          
          
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            May 27, 2014 | 
            May 27, 2014 | 
            001-04978 | 
          
          
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            ANNUAL REPORT | 
            May 27, 2014 | 
            Feb 28, 2014 | 
            001-04978 | 
          
          
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              Open Document
              
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            Open Filing | 
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            Apr 14, 2014 | 
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            005-08686 | 
          
          
            | 8-K | 
            
              Open Document
              
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            Open Filing | 
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            Feb 28, 2014 | 
            Feb 25, 2014 | 
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            Feb 5, 2014 | 
            Feb 3, 2014 | 
            001-04978 | 
          
          
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            QUARTERLY REPORT | 
            Jan 14, 2014 | 
            Nov 30, 2013 | 
            001-04978 |