| Date | Form | Description | Docs | XBRL | Pages |
| 09/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 09/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 09/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/05/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/30/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/12 | 5 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/31/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 06/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |



