| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/15/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/15/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/15/11 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 02/15/11 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 02/10/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/04/11 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/04/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/04/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/04/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/04/11 | Statement of changes in beneficial ownership of securities |
|
2 |