| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/01/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/11/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/08/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/08/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/07/12 | Statement of changes in beneficial ownership of securities |
|
2 |
