| Date | Form | Description | Docs | XBRL | Pages |
| 03/09/11 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 03/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/04/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/01/11 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 02/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/24/11 | 144 | Filing for proposed sale of securities under Rule 144 |
|
3 | |
| 02/24/11 | 144 | Filing for proposed sale of securities under Rule 144 |
|
3 |
