| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/24/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/24/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/24/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/20/11 | 3 | Initial statement of beneficial ownership of securities |
|
4 | |
| 08/20/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/12/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/21/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
