| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/02/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/02/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/27/12 | Quarterly report pursuant to Section 13 or 15(d) |
|
  |
28 |