| Date | Form | Description | Docs | XBRL | Pages |
| 07/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 07/12/12 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 07/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/12/12 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 07/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 07/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |
