| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/17/06 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 11/17/06 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 11/17/06 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 11/17/06 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 11/17/06 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 11/17/06 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 11/17/06 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 09/18/06 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 09/05/06 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 08/31/06 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 

