| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/22/11 | 3 | Initial statement of beneficial ownership of securities |
|
3 | |
| 07/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/03/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 |