| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/14/11 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/14/11 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/14/11 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/14/11 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/14/11 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/14/11 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/12/10 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/08/10 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/24/10 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/05/10 | Initial statement of beneficial ownership of securities |
|
1 |