| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/12 | 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 | |
| 01/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
