| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/22/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/22/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/22/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/22/11 | 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 |
|
3 | ||
| 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 | ||
| 02/02/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/04/11 | Statement of changes in beneficial ownership of securities |
|
2 |