| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/08/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |