| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/12/11 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/12/11 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/12/11 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/02/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/19/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/22/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/03/10 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/29/10 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/29/10 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/23/10 | Statement of changes in beneficial ownership of securities |
|
2 |