| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
