| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/23/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/23/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/23/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/23/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/23/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/16/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |