| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/03/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 02/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
