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| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/16/11 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 12/16/11 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 12/16/11 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 12/16/11 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 12/16/11 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 12/16/11 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 12/16/11 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 12/16/11 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 12/16/11 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | |
| 12/16/11 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | 

