| Date | Form | Description | Docs | XBRL | Pages |
| 03/29/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/29/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/29/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 11/18/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 11/18/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 11/18/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 10/12/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 10/12/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 10/12/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |
