| Date | Form | Description | Docs | XBRL | Pages |
| 12/11/09 | 5 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/30/09 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/13/09 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/13/09 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/01/09 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/05/08 | 5 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/02/08 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/07 | 5 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/15/07 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/14/07 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |



