| Date | Form | Description | Docs | XBRL | Pages |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/09/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |