| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/14/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/02/11 | Annual statement of changes in beneficial ownership of securities |
|
3 | ||
| 01/24/11 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 01/24/11 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 09/27/10 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 09/14/10 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 07/02/10 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 04/30/10 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/30/10 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/30/10 | Statement of changes in beneficial ownership of securities |
|
3 |
