| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/08/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |