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