| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/12/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/16/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/16/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/16/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/14/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 10/04/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 08/09/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 07/06/11 | Statement of changes in beneficial ownership of securities |
|
1 |