| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/27/07 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 04/27/07 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 04/27/07 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 04/25/07 | Statement of changes in beneficial ownership of securities | 
       
   | 
  4 | ||
| 04/25/07 | Statement of changes in beneficial ownership of securities | 
       
   | 
  4 | ||
| 03/23/07 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 03/23/07 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 03/12/07 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 02/27/07 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 02/27/07 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | 
 
			