| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/26/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/23/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/18/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/13/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/12/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/10/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/05/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/04/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/28/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/01/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 
