| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/17/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/26/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 09/13/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 |
