| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/09/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
2 |
