| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 09/16/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 09/16/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 09/16/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 09/12/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 09/12/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/25/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/14/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/13/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/08/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/08/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
