| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/21/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/21/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/21/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/22/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/22/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/09/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/09/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |