| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/06/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/06/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/06/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/06/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/03/12 | Annual statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/31/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/31/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/31/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/31/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/31/12 | Statement of changes in beneficial ownership of securities |
|
1 |