| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/30/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 04/30/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 04/30/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 04/30/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 04/30/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 02/23/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 02/17/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | ||
| 02/17/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/17/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 01/27/09 | Annual statement of changes in beneficial ownership of securities | 
       
   | 
  3 | 
 
			