| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/20/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
