| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/23/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/23/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/23/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/23/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/23/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/16/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/16/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/15/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/15/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/12/08 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
