| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/30/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
