| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/06/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/06/12 | Statement of changes in beneficial ownership of securities |
|
4 | ||
| 11/07/11 | Initial statement of beneficial ownership of securities |
|
3 | ||
| 08/12/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/11/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/10/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/06/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/06/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/06/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/06/11 | Statement of changes in beneficial ownership of securities |
|
2 |