| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/05/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 01/05/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 01/05/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 01/05/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 01/05/10 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 10/19/09 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | ||
| 10/19/09 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | ||
| 10/02/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 10/02/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 10/02/09 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
