| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
