| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/23/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/12/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
