| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 09/22/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 07/06/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/16/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/01/10 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/29/08 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 10/14/08 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/14/08 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/14/08 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/14/08 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 10/14/08 | Initial statement of beneficial ownership of securities |
|
2 |