| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/04/11 | Current report filing | 
       
   | 
  5 | ||
| 11/03/11 | Current report filing | 
       
   | 
  17 | ||
| 10/27/11 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                         | 
  48 | |
| 10/25/11 | Current report filing | 
       
   | 
  9 | ||
| 10/13/11 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 09/08/11 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 09/08/11 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 09/08/11 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | ||
| 09/08/11 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | ||
| 09/08/11 | Statement of changes in beneficial ownership of securities | 
       
   | 
  6 | 


