| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/03/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/03/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/10/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/04/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/04/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/04/11 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/16/10 | Initial statement of beneficial ownership of securities |
|
4 | ||
| 12/15/10 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/14/10 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/09/10 | Statement of changes in beneficial ownership of securities |
|
2 |